There will be a special crossover during the season finale of The Simpsons, kind of. Rick and Morty from the popluar Adult Swim show will appear on the Simpsons Couch Gag intro. Adult Swim just posted the entire couch gag clip on their Youtube channel. The season finale of The Simpsons will air Sunday, May 17th on FOX. And don't forget to check out the new season of Rick and Morty premiering Sunday, July 26th on Adult Swim.