A couch gag is a running visual joke in the Opening Sequence of The Simpsons Couch Gags Season 29-30. The couch gag changes from episode to episode, sometimes with the placement Homer Simpson, Marge, Bart, Lisa of the couch changing. In more recent seasons 29 - 30 , the couch gags have tended to be more outlandish and absurd. The Simpsons Couch Gags - Season 29-30 (Homer Simpson, Marge, Bart, Lisa)