. "The 500th couch gag is the seventh couch gag of Season 23. This couch gag is only used in At Long Last Leave, which is the 500th episode of The Simpsons as a whole."@en . "70.0"^^ . . . . "\"At Long Last Leave\""@en . . "500th couch gag"@en . . "500"^^ . . "The 500th couch gag is the seventh couch gag of Season 23. This couch gag is only used in At Long Last Leave, which is the 500th episode of The Simpsons as a whole."@en . "7"^^ . .