Season 1 of The World of Hello Kitty premiered on 2018-08-01.

Season 2 of The World of Hello Kitty premiered on null.

Season 3 of The World of Hello Kitty premiered on null.

Season 4 of The World of Hello Kitty premiered on null.

Season 5 of The World of Hello Kitty premiered on null.

Season 6 of The World of Hello Kitty premiered on null.

Season 7 of The World of Hello Kitty premiered on null.

Season 8 of The World of Hello Kitty premiered on null.

Season 9 of The World of Hello Kitty premiered on null.

Season 10 of The World of Hello Kitty premiered on null.

Season 11 of The World of Hello Kitty premiered on null.

Season 12 of The World of Hello Kitty premiered on null.