Animation cel flipping
Ape family couch gag
Olympic pool

The Ape family couch gag is the fifteenth couch gag of season 20.

Plot == The living room is covered in thick, jungle plants. The Simpsons slash their way through in order to reach the couch, and find an ape version of the Simpson family already seated. The ape-Simpsons hoot and screech,scaring off the human Simpsons.