8 p.m., CBS
How I Met Your Mother
Barney (Neil Patrick Harris) is single again, and you know what that means—he's busting out the playbook.8:30 p.m. CBS
Accidentally on Purpose
Zack (Jon Foster) gets jealous when Billie (Jenna Elfman) starts to date a coworker (Gilmore Girls' David Sutcliffe).9 p.m., CW
Gossip Girl
Blair (Leighton Meester) tries to boost her popularity at school by convincing Lady GaGa to perform a private concert.10 p.m., CBS
CSI: Miami
The CSIs look into a violent car crash. Plus, Los Angeles Lakers forward Pau Gasol guest-stars.Series premiere, 11 p.m., BRAVO
Chef Academy
London chef Jean-Christophe Novelli is starting a culinary academy in L.A.—and he's already found nine students!
Also on the airwaves ...
Dancing with the Stars, 8 p.m., ABC
House, 8 p.m., FOX
Heroes, 8 p.m., NBC
One Tree Hill, 8 p.m., CW
The Prisoner, 8 p.m., AMC
Two and a Half Men, 9 p.m., CBS
Lie to Me, 9 p.m., FOX
Trauma, 9 p.m., NBC
The Big Bang Theory, 9:30 p.m., CBS
Castle, 10 p.m., ABC
Million Dollar Listing, 10 p.m., BRAVO
Cake Boss, 10 p.m., TLC
What are you watching tonight?






Heroes, Castle, Lie to Me, Two and a Half Men, The Big Bang Theory.
House and Heroes
Castle, House and CSI Miami.
HIMYM, an hour of DWTS, TBBT, then Castle. It's a good night.
Gossip Girl (!!), CSI: Miami, House, Heroes, Two And A Half Man, Lie To Me, Big Bang Theory & Castle...
XO XO
:):):):)
can't wait for gaga cameo tonight
Heroes,etc