Season 1 of Colorado premiered on 2003-03-24.

Season 2 of Colorado premiered on null.

Season 3 of Colorado premiered on null.

Season 4 of Colorado premiered on null.

Season 5 of Colorado premiered on null.

Season 6 of Colorado premiered on null.

Season 7 of Colorado premiered on null.

Season 8 of Colorado premiered on 2009-01-11.

Season 9 of Colorado premiered on 2009-09-18.

Season 10 of Colorado premiered on 2010-09-12.

Season 11 of Colorado premiered on 2011-09-16.

Season 12 of Colorado premiered on 2012-10-01.

Season 13 of Colorado premiered on 2013-04-18.

Season 14 of Colorado premiered on 2013-09-16.

Season 15 of Colorado premiered on 2014-03-21.

Season 16 of Colorado premiered on 2015-02-20.

Season 17 of Colorado premiered on 2015-10-14.

Season 18 of Colorado premiered on 2016-09-22.

Season 19 of Colorado premiered on 2017-11-02.

Season 20 of Colorado premiered on 2019-03-28.