SUNDAY, OCTOBER 16

[EDITOR'S NOTE: Due to the preceding NFL doubleheader and post-game coverage that airs until 8:00 PM ET, local programming will air until 8:00 PM on the West Coast.]

[EDITOR'S NOTE 2: MLB AMERICAN LEAGUE CHAMPIONSHIP SERIES GAME #7 may preempt regularly scheduled programming tonight]

[EDITOR'S NOTE 3: If MLB AMERICAN LEAGUE CHAMPIONSHIP SERIES GAME #7 preempts regularly scheduled programming, then local programming will air in primetime on the west coast.]

[EDITOR'S NOTE 4: THE CLEVELAND SHOW is preempted tonight.]

--"THE SIMPSONS" - (8:00-8:30 PM ET/PT) CC-HDTV 720p-Dolby Digital 5.1

SPRINGFIELD'S SECRETS ARE KEPT UNDER LOCK AND KEY ON "THE SIMPSONS" SUNDAY, OCTOBER 16, ON FOX

When the Simpsons discover a collection of keys to every door in Springfield, Lisa stumbles upon an eerie hidden classroom beneath Springfield Elementary School. When she shares her discovery with Principal Skinner, the secret room mysteriously disappears and he takes the only key away. A determined Lisa uses her detective skills to lead her back to the room to solve an old school mystery in an encore broadcast of the "500 Keys" episode of THE SIMPSONS airing Sunday, October 16 (8:00-8:30 PM ET/PT) on FOX. (SI-2214) (TV-PG D, L, V)

Voice Cast: Dan Castellaneta as Homer Simpson; Julie Kavner as Marge Simpson; Nancy Cartwright as Bart Simpson; Yeardley Smith as Lisa Simpson; Hank Azaria as Moe; Harry Shearer as Skinner; Pamela Haden as Milhouse; Tress MacNeille as Dolph