In the episode, Homer gets drunk at a party and embarrasses Marge, so she decides to sign them up for a marriage counseling retreat. It originally aired on the Fox network in the United States on May 2, 1991. Opening The creature inside Professor Frink when he goes past the X-ray resembles an Alien., Frink has made his own Frankenstein's monster., The monster refers to The Office, and the scene that immediately follows parodies the opening of the show., The first few frames of the opening credits are also done in the same style as The Office. "Treehouse of Horror XXI" is the fourth episode of The Simpsons' twenty-second season.It first aired on the Fox network in the United States on November 7, 2010.

The so … "The War of the Simpsons" is the twentieth episode of The Simpsons' second season. NBC 's entrenched "Cosby Show" and Fox 's animation newcomer "The Simpsons" are now facing off against each other on Thursdays at 8. The episode was written by John Swartzwelder and directed by Mark Kirkland.