What’s new tonight:

Parks & Recreation (NBC) Louis C.K. Alert: Remember Leslie’s (Amy Poehler) pre-Ben boyfriend from seasons past, Dave the cop (Louis C.K.)? ---Even though he’s now a big-shot comedian with his own critically acclaimed cable series and download-able comedy concerts, he’s still made time to return to little ol’ Pawnee. Louis C.K., that is. Dave, he might hang around and become the police chief—if he skips that flight to Salt Lake City, that is. And really, who doesn’t skip that flight to Salt Lake City?

Also new tonight:
Wipeout, Grey’s Anatomy, Private Practice (ABC); The Big Bang Theory, Rob, Person of Interest, The Mentalist (CBS); 30 Rock, The Office, Up All Night, The Firm (NBC); American Idol, The Finder (Fox); The Vampire Diaries, The Secret Circle (The CW); Project Runway All-Stars (Lifetime); Jersey Shore, I Just Want My Pants Back (MTV); Archer, Unsupervised (FX), Delocated (Adult Swim)