Primetime Preview: House and Cuddy Sex?!?

Will House and Cuddy actually have sex tonight on House? That's the biggest question, heading into an enjoyable evening of primetime television...

• 8:00 p.m. Melissa Rycroft returns to Dancing with the Stars (ABC); House and Cuddy get hot and heavy on House (Fox); Georgina is still around on Gossip Girl (The CW); Penny makes a discovery about Leonard on The Big Bang Theory (CBS).
• 8:30 p.m. Ted runs into an ex on How I Met Your Mother (CBS).
• 9:00 p.m. Iit's 4 a.m. on 24 (FOX); a baby shower for Peyton on One Tree Hill (The CW); Chelsea moves in on Two and a Half Men (CBS).
• 9:30 p.m. A challenge is extended on Rules of Engagement (ABC).
• 10:00 p.m. Kate and Beckett meet Kate's ex-boyfriend on Castle (ABC).

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.