Monday, April 28

Gossip Girl (The CW, 8 p.m.) - Michelle Trachtenberg (Buffy the Vampire Slayer) begins her stint as Serena's ex-pal Georgina Sparks, and she's determined to ignite some sparks about Serena's past indiscretions.

Bones (FOX, 8 p.m.) - Booth and Brennan play Mom and Pops to a motherless infant. Let the cooing and awkward spit-up begin!

House (FOX, 9 p.m.) - The grumpy doc is back with new episodes, but not much has changed. Tonight, House is convinced that a patient's niceness must be the result of an illness.

Samantha Who? (ABC, 9:32 p.m.) - Samantha invites Jerry O'Connell (Carpoolers), who may or may not be a stranger, to Todd's gallery showing. Note to Samantha: When in doubt, assume the worst.

Tuesday, April 29

American Idol (FOX, 8 p.m.) - The final 5 take the stage.

Saturday Night Live (NBC, 8:30 p.m.) - Still not convinced 30 Rock's Alec Baldwin is a comedic genius? Check out this "Best Of" special composed out of his 11 appearances as a SNL host.

Law & Order: SVU (NBC, 10 p.m.) - Robin Williams channels the dark side he showed off so brilliantly in One Hour Photo on tonight's SVU. As a perp who tricks people into committing crimes, his character is a master manipulator.

Wednesday, April 30

America's Next Top Model (The CW, 8 p.m.) - Tyra picks up the camera for a photo shoot in a Roman castle.

American Idol (FOX, 9 p.m.) - Another contestant must go home in this week's results show.

Thursday, May 1

Smallville (The CW, 8 p.m.) - It's a wonderful life in Smallville as Clark finds out what would have happened to his friends and enemies if his space ship hadn't landed on the side of the road in Kansas.

Ugly Betty (ABC, 8 p.m.) - There's a lot of fierceness at Mode tonight as Project Runway's champ Christian Siriano and judge Nina Garcia stop by.

Grey's Anatomy (ABC, 9 p.m.) - Taking a break from Private Practice, Addison comes back to Seattle Grace to perform a surgery and, hopefully, send those romantically-challenged souls back on the right track.

Supernatural (The CW, 9 p.m.) - While visiting a town plagued by phone calls from the beyond, Dean claims to have received a call from his dead father. We welcome Jeffrey Dean Morgan back, even if it is just his voice.

Scrubs (NBC, 9:31 p.m.) - Dr. Cox is moving on up as Sacred Heart's new Chief of Medicine.

Without A Trace (CBS, 10:01 p.m.) - Jack gets protective of Sam when he discovers something shady about her baby daddy Brian.

Friday, May 2

Moonlight (CBS, 9 p.m.) - Mick tries out the bodyguard lifestyle. But the starlet gets murdered, so it's back to the PI gig for the vamp.

Man vs. Wild (Discovery, 9 p.m.) - He's eaten insects, drank pee and done naked push-ups in the snow. We can only imagine what he'll do in tonight's season premiere trek through Zambia.

Saturday, May 3

Day of rest. Take a breather. Go outside.

Sunday, May 4

Aliens in America (The CW, 8:30 p.m.) - The naked truth comes out when Justin's parents find his drawings of nude women.

Desperate Housewives (ABC, 9 p.m.) - Susan runs into her ex-husband and his pregnant girlfriend at a Lamaze class. This town really isn't big enough.

Brothers & Sisters (ABC, 10:02 p.m.) - The family business is in trouble, Justin's got some information about a family member, and Kevin and Scotty make a big leap forward in their relationship. Oh, those crazy Walkers.

Story by Vlada Gelman contributing writer