LOOK OUT, CALVIN KLEIN � HERE COMES BART SIMPSON ON "THE SIMPSONS" SUNDAY, JANUARY 20, ON FOX

Guest Star Eric Idle Returns to Springfield

When Bart writes slogans on t-shirts, he catches the attention of Goose Gladwell, a gag gift entrepreneur, and soon becomes a t-shirt mogul. With Bart now the breadwinner, Homer feels he no longer has a place in the family. In order to feel more useful, Homer begins spending more time with Lisa, including watching documentaries by scholar Declan Desmond (guest star Eric Idle). But when Gladwell is revealed as a fraud, Homer steps in to show him who's really boss on THE SIMPSONS episode "Fat Man And Little Boy" Sunday, Jan. 30 (9:30-10:00 PM ET/PT) on FOX. (SI-1521) (TV-PG L)

Voice Cast: Dan Castellaneta as Homer Simpson, Mayor Quimby and Groundskeepr Willie, Julie Kavner as Marge Simpson and Patty; Nancy Cartwright as Bart Simpson and Nelson Muntz; Nelson, Ralph and Kearney; Yeardley Smith as Lisa Simpson; Harry Shearer as Kent Brockman, Mr. Burns and Smithers; Pamela Hayden as Milhouse; Hank Azaria as Goose Gladwell.

Guest Cast: Eric Idle as Declan Desmond.