Cobie Smulders and Josh Radnor, How I Met Your Mother Cobie Smulders and Josh Radnor, How I Met Your Mother

How I Met Your Mother
8:30 pm/ET CBS
The term "TV reality stars" takes on a whole new meaning when Marshall is taunted by them from the pages of magazines — and they actually become real. Those making cameo appearances tonight include Heidi Montag, Spencer Pratt, Kendra Wilkinson and Kim Kardashian. In other developments, Robin and Ted become "friends with benefits," which doesn't go over very well with Barney. — Bill Ecklund

For full episodes of HIMYM, visit our Online Video Guide.

8 pm/ET Fox
When trouble starts, America turns to Jack Bauer, and suddenly that Senate subcommittee hearing he's facing can be put on the back burner. Once again, Jack joins the fray on the domestic threat and the investigation into friend-turned-foe Tony Almeida. Meanwhile, President Taylor faces another test, dealing with the fallout from the unrest in Sangala. — Fred Mitchell

Relive all the 24 action in our Online Video Guide.

The Bachelor
8 pm/ET ABC
After hacking his way through 10 of his 25 would-be brides in last week's season opener, Jason gets down to more serious business  tonight. He also plants the season's first kiss on one lucky bachelorette during an evening at L.A.'s Walt Disney Concert Hall that features a private performance by Robin Thicke. The proceedings also include three eliminations (one self-imposed), and don't be surprised if Jason is a bit waterlogged after two pool parties and a date at Malibu Beach. — Paul Droesch

For clips of The Bachelor, visit our Online Video Guide.

Kyle XY
9 pm/ET ABC Family
The sci-fi drama's third-season premiere picks up right where last season left off, with Amanda kidnapped by Latnock immediately following the prom. A frantic Kyle searches for her, determined to bring her home safely. Meanwhile, decisions made at the prom haunt Lori, Declan, Josh and Andy as they now try to deal with the ramifications of these choices. — Jennifer Sankowski

For full episodes of Kyle XY, visit our Online Video Guide.

One Tree Hill
9 pm/ET CW
Last fall, series star Chad Michael Murray put on a writer's cap and penned an episode of the series. Tonight he steps into the director's chair. But his behind-the-camera role won't take him off screen, as Lucas and Peyton will be very busy babysitting Jamie and his buddy. They should look at this as a good opportunity to get in some parenting practice now that they're expecting a baby of their own. That news is no longer a secret as word of Peyton's pregnancy spreads among their friends tonight. — Jennifer Sankowski

For full episodes of One Tree Hill, visit our Online Video Guide.