The Simpsons: Sunday, Cruddy Sunday

"Sunday, Cruddy Sunday" is the twelfth episode of season tenth of the animated comedy series The Simpsons and the 215th episode of the series overall. It was directed by Steven Dean Moore and written by Reid Harrison. It first aired on the FOX Network on January 31st, 1999. In this episode, Leonard Nimoy tells the tale of a near alien encounter, which takes place in the town of Springfield when Homer Simpson drunkenly leaves Moe's Tavern late at night and allegedly witnesses a glowing green alien. The FBI send their top agents to investigate, Fox Mulder and Dana Scully.