Watch The Simpsons - Season 22 Episode 4 Online

Episode Summary

In the 21st Treehouse of Horror episode: Bart and Milhouse discover a real-life board game that they must win to return home in 'War and Pieces'; Lisa falls in love with a moody, preteen vampire in the Twilight parody 'Tweenlight'; and Marge and Homer go on a honeymoon on a sailboat, and rescue a castaway named Roger who tries to kill them in the Dead Calm parody 'Master and Cadaver'.

Episode Name

Treehouse of Horror XXI