It's time to gear up for the return of your favorite shows and the debut of new series! Justin Bruening revs it up in "Knight Rider," based on the original show from the '80s, which starred the Hoff. "It's a continuation of the original series," explains Justin.

"90210" is back with a hot new cast -- plus the return of Tori Spelling as Donna Martin and Jennie Garth as Kelly Taylor! "I'm coming back -- I can't believe it," Garth dished to "Extra."

J.J. Abrams -- executive producer of "Lost" -- will debut a new mystery series on FOX called "Fringe." Fellow master of suspense Jerry Bruckheimer's forensic crime drama "Eleventh Hour" comes to CBS. To check out the air times of your favorite series, click here!