REVISED CW PRIMETIME LISTINGS FOR DECEMBER 25, 2009 (ALL TIMES ET) Please Note:

On Friday, December 25 (9:00-10:00 pm ET) the One-Hour Holiday Special "Grandma Got Run Over By a Reindeer" will air in place of the previously listed episode of "Smallville" titled "Metallo."

FRIDAY, DECEMBER 25

"SMALLVILLE" � (8:00-9:00 p.m. ET)

"Savior" (TV-PG, V) (HDTV)

BRIAN AUSTIN GREEN ("TERMINATOR: THE SARAH CONNOR CHRONICLES") GUEST STARS AS JOHN CORBEN � Clark (Tom Welling) tells Jor-El he's ready to start his training, but Jor-El sends him back to Metropolis to cut ties with Lois before he can begin. Chloe (Allison Mack) is shocked when Lois (Erica Durance) suddenly reappears after having been missing for weeks, but Lois has no recollection of vanishing into thin air with the Legion ring. While investigating a monorail crash, Lois meets John Corben (guest star Brian Austin Green), a new reporter at The Daily Planet, with a negative attitude toward the Red-Blue Blur. Chloe begs Clark to use the Legion ring to go back in time to save Jimmy, but he refuses, driving a wedge into their friendship. Meanwhile, Oliver (Justin Hartley) continues down a dark road, and Zod (Callum Blue) arrives at the Luthor mansion. Kevin Fair directed the episode written by Brian Peterson & Kelly Souders (#3X5251).