'My Own Worst Enemy' Who can you trust when you can't trust yourself?

'Knight Rider' The iconic '80s hit roars back

Lipstick Jungle' Three friends juggle sex and their careers in the city

'90210' There's a new gang at West Beverly High

'Dancing with the Stars' Kim Kardashian leads cast of celebrity rug-cutters

'The Big Bang Theory' Return of the nerds

'Chuck' The world's nerdiest secret agent is back

'Desperate Housewives' What secrets remain for the residents of Wisteria Lane?

'The Ex List' Find a husband or be alone forever

'Gossip Girl' Intrigue and backstabbing continue on Manhattan's Upper East Side

'Fringe' An unlikely trio stumbles upon a startling discovery

'Grey's Anatomy' Drama continues for the doctors of Seattle Grace Hospital

'Prison Break' The brothers are back for Season 4

'How I Met Your Mother' Flashbacks continue for Ted and Marshall

'Terminator: The Sarah Connor Chronicles' Present and future become one for the Connor family

'The Shield' It's the final act for this cop drama

'Ugly Betty' Fashion has a new face ... and it's got braces

'Greek' Sorority and fraternity life has never been so entertaining