THE SIMPSONS: Bart devises a plan to make the family's vacation last forever using a film starring Treat Williams (guest stars as himself) in the "A Totally Fun Thing Bart Will Never Do Again" episode of THE SIMPSONS airing Sunday, April 29 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and © 2012 TCFFC ALL RIGHTS RESERVED.

THE SIMPSONS: Bart's plan to make the family's vacation last forever backfires in the "A Totally Fun Thing Bart Will Never Do Again" episode of THE SIMPSONS airing Sunday, April 29 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and © 2012 TCFFC ALL RIGHTS RESERVED.

THE SIMPSONS: Cruise ship entertainment director Rowan (guest voice Steve Coogan) entertains the ship's passengers with a song that causes Bart to realize their vacation won't last forever in the "A Totally Fun Thing Bart Will Never Do Again" episode of THE SIMPSONS airing Sunday, April 29 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and © 2012 TCFFC ALL RIGHTS RESERVED.