Season 1 of Lecture Room premiered on 2001-07-09.

Season 2 of Lecture Room premiered on 2001-07-11.

Season 3 of Lecture Room premiered on 2001-07-12.

Season 4 of Lecture Room premiered on 2001-07-19.

Season 5 of Lecture Room premiered on 2003-05-12.

Season 6 of Lecture Room premiered on 2001-07-20.

Season 7 of Lecture Room premiered on 2001-09-17.

Season 8 of Lecture Room premiered on 2001-07-26.

Season 9 of Lecture Room premiered on 2004-03-08.

Season 10 of Lecture Room premiered on 2001-07-30.

Season 11 of Lecture Room premiered on 2001-08-01.

Season 12 of Lecture Room premiered on 2001-10-12.

Season 13 of Lecture Room premiered on 2002-04-24.

Season 14 of Lecture Room premiered on 2001-08-21.

Season 15 of Lecture Room premiered on 2002-05-28.

Season 16 of Lecture Room premiered on 2002-07-08.

Season 17 of Lecture Room premiered on 2002-11-27.

Season 18 of Lecture Room premiered on 2001-10-02.

Season 19 of Lecture Room premiered on 2001-10-15.

Season 20 of Lecture Room premiered on 2001-11-02.

Season 21 of Lecture Room premiered on 2001-09-24.

Season 22 of Lecture Room premiered on 2001-12-03.

Season 23 of Lecture Room premiered on 2001-12-06.

Season 24 of Lecture Room premiered on 2003-11-12.

Season 25 of Lecture Room premiered on 2003-09-11.

Season 26 of Lecture Room premiered on 2003-05-14.

Season 27 of Lecture Room premiered on 2003-03-27.

Season 28 of Lecture Room premiered on 2004-04-02.

Season 29 of Lecture Room premiered on 2004-05-15.

Season 30 of Lecture Room premiered on 2004-05-27.

Season 31 of Lecture Room premiered on 2004-06-08.

Season 32 of Lecture Room premiered on 2004-06-29.

Season 33 of Lecture Room premiered on 2004-07-14.

Season 34 of Lecture Room premiered on 2004-09-07.

Season 35 of Lecture Room premiered on 2004-09-16.

Season 36 of Lecture Room premiered on 2004-09-21.

Season 37 of Lecture Room premiered on 2004-09-29.

Season 38 of Lecture Room premiered on 2004-10-14.

Season 39 of Lecture Room premiered on 2004-10-20.

Season 40 of Lecture Room premiered on 2004-10-26.

Season 41 of Lecture Room premiered on 2004-11-02.

Season 42 of Lecture Room premiered on 2004-11-09.

Season 43 of Lecture Room premiered on 2004-11-23.

Season 44 of Lecture Room premiered on 2004-11-30.

Season 45 of Lecture Room premiered on 2004-12-21.

Season 46 of Lecture Room premiered on 2004-12-30.

Season 47 of Lecture Room premiered on 2005-01-04.

Season 48 of Lecture Room premiered on 2005-01-11.

Season 49 of Lecture Room premiered on 2005-01-20.

Season 50 of Lecture Room premiered on 2004-11-16.

Season 51 of Lecture Room premiered on 2005-03-01.

Season 52 of Lecture Room premiered on 2005-03-08.

Season 53 of Lecture Room premiered on 2005-03-29.

Season 54 of Lecture Room premiered on 2005-04-02.

Season 55 of Lecture Room premiered on null.

Season 56 of Lecture Room premiered on 2005-04-19.

Season 57 of Lecture Room premiered on 2004-06-23.

Season 58 of Lecture Room premiered on 2005-05-24.

Season 59 of Lecture Room premiered on 2005-05-31.

Season 60 of Lecture Room premiered on 2005-09-13.

Season 61 of Lecture Room premiered on 2005-11-01.

Season 62 of Lecture Room premiered on 2005-11-08.

Season 63 of Lecture Room premiered on 2005-11-16.

Season 64 of Lecture Room premiered on 2005-11-22.

Season 65 of Lecture Room premiered on 2005-12-20.

Season 66 of Lecture Room premiered on 2005-12-26.

Season 67 of Lecture Room premiered on 2006-01-02.

Season 68 of Lecture Room premiered on 2006-01-09.

Season 69 of Lecture Room premiered on 2005-07-13.

Season 70 of Lecture Room premiered on 2006-01-25.

Season 71 of Lecture Room premiered on 2006-01-28.

Season 72 of Lecture Room premiered on 2006-03-27.

Season 73 of Lecture Room premiered on 2006-06-01.

Season 74 of Lecture Room premiered on 2006-06-05.

Season 75 of Lecture Room premiered on 2006-06-12.

Season 76 of Lecture Room premiered on 2006-06-29.

Season 77 of Lecture Room premiered on 2006-02-12.

Season 78 of Lecture Room premiered on 2006-09-01.

Season 79 of Lecture Room premiered on 2006-09-17.

Season 80 of Lecture Room premiered on 2006-10-01.

Season 81 of Lecture Room premiered on 2006-10-30.

Season 82 of Lecture Room premiered on 2006-11-06.

Season 83 of Lecture Room premiered on 2006-12-11.

Season 84 of Lecture Room premiered on 2007-01-06.

Season 85 of Lecture Room premiered on 2007-02-18.

Season 86 of Lecture Room premiered on 2007-03-08.

Season 87 of Lecture Room premiered on 2007-03-19.

Season 88 of Lecture Room premiered on 2007-05-01.

Season 89 of Lecture Room premiered on 2007-05-05.

Season 90 of Lecture Room premiered on 2007-05-07.

Season 91 of Lecture Room premiered on 2007-05-19.

Season 92 of Lecture Room premiered on 2007-06-27.

Season 93 of Lecture Room premiered on 2007-07-01.

Season 94 of Lecture Room premiered on 2007-08-28.

Season 95 of Lecture Room premiered on 2007-10-01.

Season 96 of Lecture Room premiered on 2007-10-26.

Season 97 of Lecture Room premiered on 2007-11-07.

Season 98 of Lecture Room premiered on 2007-11-19.

Season 99 of Lecture Room premiered on 2008-01-01.

Season 100 of Lecture Room premiered on 2008-01-14.

Season 101 of Lecture Room premiered on 2008-01-21.

Season 102 of Lecture Room premiered on 2008-02-04.

Season 103 of Lecture Room premiered on 2008-03-02.

Season 104 of Lecture Room premiered on 2008-03-17.

Season 105 of Lecture Room premiered on 2008-03-31.

Season 106 of Lecture Room premiered on 2008-04-14.

Season 107 of Lecture Room premiered on 2008-05-01.

Season 108 of Lecture Room premiered on 2008-05-06.

Season 109 of Lecture Room premiered on 2008-06-02.

Season 110 of Lecture Room premiered on 2008-06-16.

Season 111 of Lecture Room premiered on 2007-02-01.

Season 112 of Lecture Room premiered on 2008-06-30.

Season 113 of Lecture Room premiered on 2008-07-18.

Season 114 of Lecture Room premiered on 2008-08-04.

Season 115 of Lecture Room premiered on 2008-09-04.

Season 116 of Lecture Room premiered on 2008-10-01.

Season 117 of Lecture Room premiered on 2008-10-11.

Season 118 of Lecture Room premiered on 2008-10-13.

Season 119 of Lecture Room premiered on 2008-11-05.

Season 120 of Lecture Room premiered on 2008-12-01.

Season 121 of Lecture Room premiered on 2008-12-10.

Season 122 of Lecture Room premiered on 2009-07-13.

Season 123 of Lecture Room premiered on 2011-09-02.

Season 124 of Lecture Room premiered on 2008-06-07.

Season 125 of Lecture Room premiered on 2009-01-27.

Season 126 of Lecture Room premiered on 2009-03-09.

Season 127 of Lecture Room premiered on 2009-05-04.

Season 128 of Lecture Room premiered on 2009-05-11.

Season 129 of Lecture Room premiered on 2009-06-02.

Season 130 of Lecture Room premiered on 2009-06-11.

Season 131 of Lecture Room premiered on 2009-08-12.

Season 132 of Lecture Room premiered on 2009-10-01.

Season 133 of Lecture Room premiered on 2009-10-07.

Season 134 of Lecture Room premiered on 2009-10-12.

Season 135 of Lecture Room premiered on 2009-11-06.

Season 136 of Lecture Room premiered on 2009-11-24.

Season 137 of Lecture Room premiered on 2009-12-04.

Season 138 of Lecture Room premiered on 2009-12-07.

Season 139 of Lecture Room premiered on 2010-01-17.

Season 140 of Lecture Room premiered on 2010-02-06.

Season 141 of Lecture Room premiered on 2010-02-14.

Season 142 of Lecture Room premiered on 2010-03-04.

Season 143 of Lecture Room premiered on 2010-03-11.

Season 144 of Lecture Room premiered on 2010-03-28.

Season 145 of Lecture Room premiered on 2010-05-10.

Season 146 of Lecture Room premiered on 2010-06-10.

Season 147 of Lecture Room premiered on 2010-06-12.

Season 148 of Lecture Room premiered on 2010-06-19.

Season 149 of Lecture Room premiered on 2010-07-08.

Season 150 of Lecture Room premiered on 2010-07-30.

Season 151 of Lecture Room premiered on 2010-08-13.

Season 152 of Lecture Room premiered on 2010-08-21.

Season 153 of Lecture Room premiered on 2010-08-30.

Season 154 of Lecture Room premiered on 2010-10-10.

Season 155 of Lecture Room premiered on 2010-10-23.

Season 156 of Lecture Room premiered on 2010-11-13.

Season 157 of Lecture Room premiered on 2010-12-04.

Season 158 of Lecture Room premiered on 2010-12-10.

Season 159 of Lecture Room premiered on 2010-12-24.

Season 160 of Lecture Room premiered on 2011-01-04.

Season 161 of Lecture Room premiered on 2011-01-14.

Season 162 of Lecture Room premiered on 2011-01-22.

Season 163 of Lecture Room premiered on 2011-01-27.

Season 164 of Lecture Room premiered on 2011-02-01.

Season 165 of Lecture Room premiered on 2011-02-24.

Season 166 of Lecture Room premiered on 2011-04-10.

Season 167 of Lecture Room premiered on 2011-04-20.

Season 168 of Lecture Room premiered on 2011-05-04.

Season 169 of Lecture Room premiered on 2011-05-14.

Season 170 of Lecture Room premiered on 2011-06-14.

Season 171 of Lecture Room premiered on 2011-07-02.

Season 172 of Lecture Room premiered on 2011-07-08.

Season 173 of Lecture Room premiered on 2011-07-25.

Season 174 of Lecture Room premiered on 2011-08-01.

Season 175 of Lecture Room premiered on 2011-08-11.

Season 176 of Lecture Room premiered on 2011-10-01.

Season 177 of Lecture Room premiered on 2011-10-08.

Season 178 of Lecture Room premiered on 2011-10-29.

Season 179 of Lecture Room premiered on 2012-01-01.

Season 180 of Lecture Room premiered on 2012-01-14.

Season 181 of Lecture Room premiered on 2012-01-27.

Season 182 of Lecture Room premiered on 2012-02-05.

Season 183 of Lecture Room premiered on 2012-02-24.

Season 184 of Lecture Room premiered on 2012-03-15.

Season 185 of Lecture Room premiered on 2012-03-30.

Season 186 of Lecture Room premiered on 2012-04-28.

Season 187 of Lecture Room premiered on 2012-05-06.

Season 188 of Lecture Room premiered on 2012-05-14.

Season 189 of Lecture Room premiered on 2012-05-29.

Season 190 of Lecture Room premiered on 2012-06-12.

Season 191 of Lecture Room premiered on 2012-07-11.

Season 192 of Lecture Room premiered on 2012-07-31.

Season 193 of Lecture Room premiered on 2012-08-24.

Season 194 of Lecture Room premiered on 2010-01-24.

Season 195 of Lecture Room premiered on 2010-01-30.

Season 196 of Lecture Room premiered on 2010-09-14.

Season 197 of Lecture Room premiered on 2010-09-28.

Season 198 of Lecture Room premiered on 2011-09-09.

Season 199 of Lecture Room premiered on 2012-10-24.

Season 200 of Lecture Room premiered on 2012-11-16.

Season 201 of Lecture Room premiered on 2012-11-27.

Season 202 of Lecture Room premiered on 2012-12-03.

Season 203 of Lecture Room premiered on 2012-12-17.

Season 204 of Lecture Room premiered on 2012-12-19.

Season 205 of Lecture Room premiered on 2013-01-03.

Season 206 of Lecture Room premiered on 2013-01-27.

Season 207 of Lecture Room premiered on 2013-02-20.

Season 208 of Lecture Room premiered on 2013-03-07.

Season 209 of Lecture Room premiered on 2013-03-28.

Season 210 of Lecture Room premiered on 2013-05-04.

Season 211 of Lecture Room premiered on 2013-05-29.

Season 212 of Lecture Room premiered on 2013-06-09.

Season 213 of Lecture Room premiered on 2013-06-16.

Season 214 of Lecture Room premiered on 2013-07-02.

Season 215 of Lecture Room premiered on 2013-07-20.

Season 216 of Lecture Room premiered on 2013-08-02.

Season 217 of Lecture Room premiered on 2013-08-25.

Season 218 of Lecture Room premiered on 2013-09-01.

Season 219 of Lecture Room premiered on 2013-10-03.

Season 220 of Lecture Room premiered on 2013-10-06.

Season 221 of Lecture Room premiered on 2013-10-16.

Season 222 of Lecture Room premiered on 2013-11-05.

Season 223 of Lecture Room premiered on 2013-11-25.

Season 224 of Lecture Room premiered on 2013-11-27.

Season 225 of Lecture Room premiered on 2013-12-12.

Season 226 of Lecture Room premiered on 2013-12-20.

Season 227 of Lecture Room premiered on 2013-12-26.

Season 228 of Lecture Room premiered on 2014-01-03.

Season 229 of Lecture Room premiered on 2014-01-09.

Season 230 of Lecture Room premiered on 2014-01-19.

Season 231 of Lecture Room premiered on 2014-01-24.

Season 232 of Lecture Room premiered on 2014-02-17.

Season 233 of Lecture Room premiered on 2014-04-06.

Season 234 of Lecture Room premiered on 2014-03-17.

Season 235 of Lecture Room premiered on 2014-04-01.

Season 236 of Lecture Room premiered on 2014-04-17.

Season 237 of Lecture Room premiered on 2014-05-11.

Season 238 of Lecture Room premiered on 2014-05-16.

Season 239 of Lecture Room premiered on 2014-06-01.

Season 240 of Lecture Room premiered on 2014-06-13.

Season 241 of Lecture Room premiered on 2014-06-20.

Season 242 of Lecture Room premiered on 2014-07-04.

Season 243 of Lecture Room premiered on 2014-07-16.

Season 244 of Lecture Room premiered on 2014-07-28.

Season 245 of Lecture Room premiered on 2014-08-09.

Season 246 of Lecture Room premiered on 2014-08-30.

Season 247 of Lecture Room premiered on 2014-09-17.

Season 248 of Lecture Room premiered on 2014-09-25.

Season 249 of Lecture Room premiered on 2014-10-01.

Season 250 of Lecture Room premiered on 2014-10-04.

Season 251 of Lecture Room premiered on 2014-10-14.

Season 252 of Lecture Room premiered on 2014-10-22.

Season 253 of Lecture Room premiered on 2014-11-03.

Season 254 of Lecture Room premiered on 2014-11-22.

Season 255 of Lecture Room premiered on 2014-11-28.

Season 256 of Lecture Room premiered on 2014-12-18.

Season 257 of Lecture Room premiered on 2014-12-30.

Season 258 of Lecture Room premiered on 2015-01-14.

Season 259 of Lecture Room premiered on 2015-01-18.

Season 260 of Lecture Room premiered on 2015-01-25.

Season 261 of Lecture Room premiered on 2015-02-12.

Season 262 of Lecture Room premiered on 2015-03-04.

Season 263 of Lecture Room premiered on 2015-03-15.

Season 264 of Lecture Room premiered on 2015-03-25.

Season 265 of Lecture Room premiered on 2015-04-08.

Season 266 of Lecture Room premiered on 2015-04-20.

Season 267 of Lecture Room premiered on 2015-04-30.

Season 268 of Lecture Room premiered on 2015-05-12.

Season 269 of Lecture Room premiered on 2015-05-26.

Season 270 of Lecture Room premiered on 2015-06-03.

Season 271 of Lecture Room premiered on 2015-06-06.

Season 272 of Lecture Room premiered on 2015-06-10.

Season 273 of Lecture Room premiered on 2015-06-13.

Season 274 of Lecture Room premiered on 2015-07-01.

Season 275 of Lecture Room premiered on 2015-07-11.

Season 276 of Lecture Room premiered on 2015-08-04.

Season 277 of Lecture Room premiered on 2015-08-18.

Season 278 of Lecture Room premiered on 2015-09-06.

Season 279 of Lecture Room premiered on 2015-10-10.

Season 280 of Lecture Room premiered on 2015-10-22.

Season 281 of Lecture Room premiered on 2015-11-09.

Season 282 of Lecture Room premiered on 2015-11-17.

Season 283 of Lecture Room premiered on 2015-11-23.

Season 284 of Lecture Room premiered on 2015-12-03.

Season 285 of Lecture Room premiered on 2015-12-19.

Season 286 of Lecture Room premiered on 2015-12-29.

Season 287 of Lecture Room premiered on 2016-02-08.

Season 288 of Lecture Room premiered on 2016-02-16.

Season 289 of Lecture Room premiered on 2016-03-04.

Season 290 of Lecture Room premiered on 2016-03-14.

Season 291 of Lecture Room premiered on 2016-04-03.

Season 292 of Lecture Room premiered on 2016-04-08.

Season 293 of Lecture Room premiered on 2016-04-25.

Season 294 of Lecture Room premiered on 2016-04-29.

Season 295 of Lecture Room premiered on 2016-05-16.

Season 296 of Lecture Room premiered on 2016-06-05.

Season 297 of Lecture Room premiered on 2016-06-07.

Season 298 of Lecture Room premiered on 2016-06-11.

Season 299 of Lecture Room premiered on 2016-06-21.

Season 300 of Lecture Room premiered on 2016-07-05.

Season 301 of Lecture Room premiered on 2016-07-25.

Season 302 of Lecture Room premiered on 2016-08-04.

Season 303 of Lecture Room premiered on 2016-08-18.

Season 304 of Lecture Room premiered on 2016-09-01.

Season 305 of Lecture Room premiered on 2016-09-15.

Season 306 of Lecture Room premiered on 2016-09-25.

Season 307 of Lecture Room premiered on 2016-10-01.

Season 308 of Lecture Room premiered on 2016-10-26.

Season 309 of Lecture Room premiered on 2016-11-15.

Season 310 of Lecture Room premiered on 2016-11-25.

Season 311 of Lecture Room premiered on 2016-12-17.

Season 312 of Lecture Room premiered on 2016-12-22.

Season 313 of Lecture Room premiered on 2017-01-10.

Season 314 of Lecture Room premiered on 2017-01-19.

Season 315 of Lecture Room premiered on 2017-02-04.

Season 316 of Lecture Room premiered on 2017-02-20.

Season 317 of Lecture Room premiered on 2017-03-07.

Season 318 of Lecture Room premiered on 2017-03-26.

Season 319 of Lecture Room premiered on 2017-04-01.

Season 320 of Lecture Room premiered on 2017-04-09.

Season 321 of Lecture Room premiered on 2017-05-05.

Season 322 of Lecture Room premiered on 2017-05-22.

Season 323 of Lecture Room premiered on 2017-06-01.

Season 324 of Lecture Room premiered on 2017-06-20.

Season 325 of Lecture Room premiered on 2017-07-03.

Season 326 of Lecture Room premiered on 2017-07-23.

Season 327 of Lecture Room premiered on 2017-08-19.

Season 328 of Lecture Room premiered on 2017-08-27.

Season 329 of Lecture Room premiered on 2017-09-10.

Season 330 of Lecture Room premiered on 2017-09-21.

Season 331 of Lecture Room premiered on 2017-10-08.

Season 332 of Lecture Room premiered on 2017-10-29.

Season 333 of Lecture Room premiered on 2017-11-15.

Season 334 of Lecture Room premiered on 2017-11-29.

Season 335 of Lecture Room premiered on 2017-12-11.

Season 336 of Lecture Room premiered on 2017-12-21.

Season 337 of Lecture Room premiered on 2018-01-12.

Season 338 of Lecture Room premiered on 2018-02-09.

Season 339 of Lecture Room premiered on 2018-02-27.

Season 340 of Lecture Room premiered on 2018-03-14.

Season 341 of Lecture Room premiered on 2018-03-29.

Season 342 of Lecture Room premiered on 2018-04-05.

Season 343 of Lecture Room premiered on 2018-04-29.

Season 344 of Lecture Room premiered on 2018-05-14.

Season 345 of Lecture Room premiered on 2018-05-17.

Season 346 of Lecture Room premiered on 2018-05-22.

Season 347 of Lecture Room premiered on 2018-06-03.

Season 348 of Lecture Room premiered on 2018-09-21.

Season 349 of Lecture Room premiered on 2018-10-23.

Season 350 of Lecture Room premiered on 2018-11-02.

Season 351 of Lecture Room premiered on 2018-11-14.

Season 352 of Lecture Room premiered on 2018-11-30.

Season 353 of Lecture Room premiered on 2019-01-01.

Season 354 of Lecture Room premiered on 2019-01-21.

Season 355 of Lecture Room premiered on 2019-02-20.

Season 356 of Lecture Room premiered on 2019-03-04.

Season 357 of Lecture Room premiered on 2019-03-14.

Season 358 of Lecture Room premiered on 2019-04-01.

Season 359 of Lecture Room premiered on 2019-04-17.

Season 360 of Lecture Room premiered on 2019-05-02.

Season 361 of Lecture Room premiered on 2019-05-20.

Season 362 of Lecture Room premiered on 2019-06-12.

Season 363 of Lecture Room premiered on 2019-07-10.

Season 364 of Lecture Room premiered on 2019-07-26.

Season 365 of Lecture Room premiered on 2019-08-07.

Season 366 of Lecture Room premiered on 2019-08-14.

Season 367 of Lecture Room premiered on 2019-08-21.

Season 368 of Lecture Room premiered on 2019-09-08.

Season 369 of Lecture Room premiered on 2019-09-16.

Season 370 of Lecture Room premiered on 2019-10-01.

Season 371 of Lecture Room premiered on 2019-11-06.

Season 372 of Lecture Room premiered on 2019-11-20.

Season 373 of Lecture Room premiered on 2019-12-05.

Season 374 of Lecture Room premiered on 2019-12-20.

Season 375 of Lecture Room premiered on 2019-02-04.

Season 376 of Lecture Room premiered on 2019-10-14.

Season 377 of Lecture Room premiered on 2019-12-30.

Season 378 of Lecture Room premiered on 2020-01-15.

Season 379 of Lecture Room premiered on 2020-01-24.

Season 380 of Lecture Room premiered on 2020-02-03.

Season 381 of Lecture Room premiered on 2021-07-03.

Season 382 of Lecture Room premiered on 2020-03-08.

Season 383 of Lecture Room premiered on 2020-03-20.

Season 384 of Lecture Room premiered on 2020-04-09.

Season 385 of Lecture Room premiered on 2020-04-26.

Season 386 of Lecture Room premiered on 2020-05-21.

Season 387 of Lecture Room premiered on 2020-07-03.

Season 388 of Lecture Room premiered on 2020-07-23.

Season 389 of Lecture Room premiered on 2020-08-28.

Season 390 of Lecture Room premiered on 2020-09-04.

Season 391 of Lecture Room premiered on 2020-09-24.

Season 392 of Lecture Room premiered on 2020-09-30.

Season 393 of Lecture Room premiered on 2020-10-25.

Season 394 of Lecture Room premiered on 2020-10-31.

Season 395 of Lecture Room premiered on 2020-11-03.

Season 396 of Lecture Room premiered on 2020-11-13.

Season 397 of Lecture Room premiered on 2020-12-03.

Season 398 of Lecture Room premiered on 2020-12-31.

Season 399 of Lecture Room premiered on 2021-01-05.

Season 400 of Lecture Room premiered on 2021-01-23.

Season 401 of Lecture Room premiered on 2021-01-31.

Season 402 of Lecture Room premiered on 2021-02-11.

Season 403 of Lecture Room premiered on 2021-03-15.

Season 404 of Lecture Room premiered on 2021-04-07.

Season 405 of Lecture Room premiered on 2021-04-10.

Season 406 of Lecture Room premiered on 2021-04-22.

Season 407 of Lecture Room premiered on 2021-05-09.

Season 408 of Lecture Room premiered on 2021-05-29.

Season 409 of Lecture Room premiered on 2021-06-20.

Season 410 of Lecture Room premiered on 2021-07-11.

Season 411 of Lecture Room premiered on 2021-07-16.

Season 412 of Lecture Room premiered on 2021-07-28.

Season 413 of Lecture Room premiered on 2021-08-05.

Season 414 of Lecture Room premiered on 2021-09-06.

Season 415 of Lecture Room premiered on 2021-09-11.

Season 416 of Lecture Room premiered on 2021-10-01.

Season 417 of Lecture Room premiered on 2021-09-25.

Season 418 of Lecture Room premiered on 2021-10-17.

Season 419 of Lecture Room premiered on 2021-11-02.

Season 420 of Lecture Room premiered on 2021-11-12.

Season 421 of Lecture Room premiered on 2021-11-30.

Season 422 of Lecture Room premiered on 2021-12-12.

Season 423 of Lecture Room premiered on 2021-12-31.

Season 424 of Lecture Room premiered on 2022-01-17.

Season 425 of Lecture Room premiered on 2022-01-31.

Season 426 of Lecture Room premiered on 2022-02-03.

Season 427 of Lecture Room premiered on 2022-02-15.

Season 428 of Lecture Room premiered on 2022-03-02.

Season 429 of Lecture Room premiered on 2022-04-01.

Season 430 of Lecture Room premiered on 2022-04-08.

Season 431 of Lecture Room premiered on 2022-04-16.

Season 432 of Lecture Room premiered on 2022-04-18.

Season 433 of Lecture Room premiered on 2022-05-12.

Season 434 of Lecture Room premiered on 2022-06-20.

Season 435 of Lecture Room premiered on 2022-07-14.

Season 436 of Lecture Room premiered on 2022-07-16.

Season 437 of Lecture Room premiered on 2022-08-13.

Season 438 of Lecture Room premiered on 2022-08-20.

Season 439 of Lecture Room premiered on 2022-09-01.

Season 440 of Lecture Room premiered on 2022-09-25.

Season 441 of Lecture Room premiered on 2022-10-15.

Season 442 of Lecture Room premiered on 2022-11-14.

Season 443 of Lecture Room premiered on 2022-12-09.

Season 444 of Lecture Room premiered on 2022-12-19.

Season 445 of Lecture Room premiered on 2022-12-27.

Season 446 of Lecture Room premiered on 2023-01-16.

Season 447 of Lecture Room premiered on 2023-02-08.

Season 448 of Lecture Room premiered on 2023-02-24.

Season 449 of Lecture Room premiered on 2023-03-12.

Season 450 of Lecture Room premiered on 2023-03-25.

Season 451 of Lecture Room premiered on 2023-04-08.

Season 452 of Lecture Room premiered on 2023-04-16.

Season 453 of Lecture Room premiered on 2023-04-24.

Season 454 of Lecture Room premiered on 2023-05-12.

Season 455 of Lecture Room premiered on 2023-05-27.

Season 456 of Lecture Room premiered on 2023-06-11.

Season 457 of Lecture Room premiered on 2023-06-21.

Season 458 of Lecture Room premiered on 2023-07-03.

Season 459 of Lecture Room premiered on 2023-07-15.

Season 460 of Lecture Room premiered on 2023-08-02.

Season 461 of Lecture Room premiered on 2023-08-06.

Season 462 of Lecture Room premiered on 2023-08-13.

Season 463 of Lecture Room premiered on 2023-09-02.

Season 464 of Lecture Room premiered on 2023-09-16.

Season 465 of Lecture Room premiered on 2023-09-30.

Season 466 of Lecture Room premiered on 2023-10-08.

Season 467 of Lecture Room premiered on 2023-10-14.

Season 468 of Lecture Room premiered on 2023-10-26.

Season 469 of Lecture Room premiered on 2023-11-05.

Season 470 of Lecture Room premiered on 2023-11-15.

Season 471 of Lecture Room premiered on 2023-12-03.

Season 472 of Lecture Room premiered on 2023-12-14.

Season 473 of Lecture Room premiered on 2023-12-26.

Season 474 of Lecture Room premiered on 2024-01-07.

Season 475 of Lecture Room premiered on 2024-01-17.

Season 476 of Lecture Room premiered on 2024-01-27.

Season 477 of Lecture Room premiered on 2024-02-01.

Season 478 of Lecture Room premiered on 2024-02-10.

Season 479 of Lecture Room premiered on 2024-02-22.

Season 480 of Lecture Room premiered on 2024-02-28.

Season 481 of Lecture Room premiered on 2024-03-03.

Season 482 of Lecture Room premiered on 2024-03-18.

Season 483 of Lecture Room premiered on 2024-03-31.

Season 484 of Lecture Room premiered on 2024-04-15.

Season 485 of Lecture Room premiered on 2024-05-05.

Season 486 of Lecture Room premiered on 2024-05-15.

Season 487 of Lecture Room premiered on 2024-06-04.

Season 488 of Lecture Room premiered on 2024-06-10.

Season 489 of Lecture Room premiered on 2024-06-24.

Season 490 of Lecture Room premiered on 2024-07-04.

Season 491 of Lecture Room premiered on 2024-07-07.

Season 492 of Lecture Room premiered on 2024-07-22.

Season 493 of Lecture Room premiered on 2024-08-04.

Season 494 of Lecture Room premiered on 2024-08-14.

Season 495 of Lecture Room premiered on 2024-08-23.

Season 496 of Lecture Room premiered on 2024-09-14.

Season 497 of Lecture Room premiered on 2024-09-26.

Season 498 of Lecture Room premiered on 2024-10-08.

Season 499 of Lecture Room premiered on 2024-10-20.

Season 500 of Lecture Room premiered on 2024-11-04.

Season 501 of Lecture Room premiered on 2024-11-19.

Season 502 of Lecture Room premiered on 2024-12-15.

Season 503 of Lecture Room premiered on 2024-12-21.

Season 504 of Lecture Room premiered on 2024-12-31.

Season 505 of Lecture Room premiered on 2025-01-05.

Season 506 of Lecture Room premiered on 2025-01-21.

Season 507 of Lecture Room premiered on 2025-01-28.

Season 508 of Lecture Room premiered on 2025-02-01.

Season 509 of Lecture Room premiered on 2025-02-10.

Season 510 of Lecture Room premiered on 2025-02-20.

Season 511 of Lecture Room premiered on 2025-03-02.

Season 512 of Lecture Room premiered on 2025-03-18.

Season 513 of Lecture Room premiered on 2025-03-28.

Season 514 of Lecture Room premiered on 2025-04-17.

Season 515 of Lecture Room premiered on 2025-04-25.

Season 516 of Lecture Room premiered on 2025-05-05.

Season 517 of Lecture Room premiered on 2025-05-16.

Season 518 of Lecture Room premiered on 2025-05-26.