Chuck, Castle, and Weeds

8 p.m., CBS

How I Met Your Mother

Robin (Cobie Smulders) tries to prove to the group that she’s a real New Yorker by racing everyone to a restaurant downtown.

8 p.m., NBC


Chuck (Zachary Levi) and Sarah (Yvonne Strahovski) travel to Latin America with Ellie (Sarah Lancaster) and Awesome (Ryan McPartlin), and they all reunite with Premier Goya (Armand Assante). Meanwhile, Morgan (Joshua Gomez) starts dating someone in secret.

10 p.m., ABC


When a mathematician is shot and killed with a 200-year-old bullet, Castle (Nathan Fillion) becomes convinced that the murder involved time travel. Of course.

10 p.m., SHO


The Botwins snag a motor home and park it on an old movie lot to get their hashish business, uh, rolling. Plus, Zack Morris Mark-Paul Gosselaar guest-stars!

10:30 p.m., SHO

The Big C

Lenny (Idris Elba) invites Cathy (Laura Linney) to the Bahamas for her birthday, but unbeknownst to her, Paul (Oliver Platt) has already planned her a surprise party and invited her college friend, Rebecca (guest star Cynthia Nixon). If I were her I'd never leave Stringer's side!

Also on the airwaves...
Dancing with the Stars, 8 p.m., ABC
House, 8 p.m., FOX
90210, 8 p.m., CW
Rules of Engagement, 8:30 p.m., CBS
Two and a Half Men, 9 p.m., CBS
Lie to Me, 9 p.m., FOX
The Event, 9 p.m., NBC
Gossip Girl, 9 p.m., CW
The Real Housewives of Atlanta, 9 p.m., BRAVO
Cake Boss, 9 p.m., TLC
Mike & Molly, 9:30 p.m., FOX
Hawaii Five-0, 10 p.m., CBS
Chase, 10 p.m., NBC
Hoarders, 10 p.m., A&E;
Thintervention with Jackie Warner, 10 p.m., BRAVO
Texas Quints, Series premiere, 10 & 10:30 p.m., TLC

What are you watching tonight?

Follow writer Stefanie Lee on Twitter: @StefAtTVDotCom

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