Season 1 of 开心宝贝 premiered on 2010-07-02.

Season 2 of 开心宝贝 premiered on 2011-01-15.

Season 3 of 开心宝贝 premiered on 2011-07-16.

Season 4 of 开心宝贝 premiered on 2012-01-09.

Season 5 of 开心宝贝 premiered on 2012-08-04.

Season 6 of 开心宝贝 premiered on 2013-04-27.

Season 7 of 开心宝贝 premiered on null.

Season 8 of 开心宝贝 premiered on null.

Season 9 of 开心宝贝 premiered on null.

Season 10 of 开心宝贝 premiered on null.

Season 11 of 开心宝贝 premiered on null.

Season 12 of 开心宝贝 premiered on null.

Season 13 of 开心宝贝 premiered on null.

Season 14 of 开心宝贝 premiered on null.

Season 15 of 开心宝贝 premiered on null.

Season 16 of 开心宝贝 premiered on null.

Season 17 of 开心宝贝 premiered on null.

Season 18 of 开心宝贝 premiered on null.

Season 19 of 开心宝贝 premiered on null.

Season 20 of 开心宝贝 premiered on null.