WATCH: Preview THE SIMPSONS all-new episode - "Homer Goes to Prep School"

Tom Waits Makes Guest-Voice Appearance

THE SIMPSONS: Homer joins the "Springfield Preppers," an off-the-grid survivalist group whose leader (guest voice Tom Waits) has set up a top-secret retreat outside of town to prepare for the end of the world in the "Homer Goes to Prep School" episode of THE SIMPSONS airing Sunday, Jan. 6 (8:00-8:30 PM) on FOX 50. THE SIMPSONS ™ and © 2012 TCFFC ALL RIGHTS RESERVED.

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By FOX50.com

Story Created: Jan 4, 2013 at 11:36 AM EDT

Story Updated: Jan 4, 2013 at 11:47 AM EDT

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Homer joins the “Springfield Preppers,” an off-the-grid survivalist group whose leader (guest voice Waits) has set up a top-secret retreat outside of town to prepare for the end of the world. But Marge grows skeptical of the group’s alarmist shenanigans in the all-new “Homer Goes to Prep School” episode of THE SIMPSONS airing Sunday, Jan. 6 (8:00-8:30 PM) on FOX 50. (SI-2402) (TV-PG L,V)

Voice Cast: Dan Castellaneta as Homer Simpson; Julie Kavner as Marge Simpson; Nancy Cartwright as Bart Simpson and Nelson; Yeardley Smith as Lisa Simpson; Harry Shearer as Skinner; Pamela Hayden as Milhouse and Jimbo; Tress MacNeille as Dolph

Guest Voice Cast: Tom Waits as Lloyd