Cartoon KAT-TUN (カートゥンKAT-TUN, Kātun Katūn) was a Japanese variety show hosted by KAT-TUN, a Japanese boy band formed by Johnny & Associates. The show began airing on April 4, 2007, and ended on March 24, 2010. It aired every Wednesday from 11:55 pm to 12:26 am on NTV for 3 years. The theme song for the first season of the show was "Girlfriend" by Avril Lavigne, Shelter by Corrinne May for the second season and Come On Eileen by Dexy's Midnight Runners for the third season.