THURSDAY, DECEMBER 31

--"FRINGE"�(9:00-10:00 PM ET/PT) CC-HDTV 720p-Dolby Digital 5.1

WILLIAM BELL RETURNS AND OLIVIA'S MURKY PAST MATERIALIZES ON "FRINGE" THURSDAY, DECEMBER 31, ON FOX

Leonard Nimoy Guest-Stars

Recuperating from the traumatic and alarming meeting with Massive Dynamic founder William Bell (guest star Nimoy), Agent Dunham consumes a powerful "fringe" concoction that Dr. Bishop prescribes to stimulate her memory. Meanwhile, the Fringe Division investigates a series of robbery cases that are tied to shape-shifting. As clues are tracked and memories are jogged, another woman experimented on by Dr. Bishop is introduced and a flashback reveals more about Olivia's visit to the alternate reality in the "Momentum Deferred" episode of FRINGE airing Thursday, Dec. 31 (9:00-10:00 PM ET/PT) on FOX. (FR-204) (TV-14 L, V)

Cast: Anna Torv as Olivia Dunham; Joshua Jackson as Peter Bishop; John Noble as Walter Bishop; Lance Reddick as Phillip Broyles; Kirk Acevedo as Charlie Francis; Blair Brown as Nina Sharp; Jasika Nicole as Astrid Farnsworth

Guest Cast: Leonard Nimoy as William Bell; Thomas Kretschmann as Omega Man; Theresa Russell as Rebecca; Aaron Craven as Larsen; Roger Cross as Smith; Michael Cerveris as The Observer