American Idol, Mercy, and Cougar Town

Michael Imperioli guest-stars on Mercy tonight.

8 p.m., CBS

The New Adventures of Old Christine

Christine (Julia Louis-Dreyfus) has three little words for her therapist boyfriend (guest-star Eric McCormack)—and his response is surprising.

8 p.m., FOX

American Idol

Good, bad, and ugly auditions continue in the second half of the two-part Season 9 premiere.

8 p.m., NBC

Mercy

Michael Imperioli (The Sopranos, Life on Mars) guest-stars as patient who receives a donor hand—and wants it amputated after he discovers it belonged to a pedophile.

9:30 p.m., ABC

Cougar Town

Laurie (Busy Phillipps) pursues her last-name/first-name dreamboat, Smith Frank (Ryan Devlin), while Jules (Courteney Cox) pulls away from her latest flame, Jeff (Scott Foley).

11:35 p.m., NBC

The Tonight Show with Conan O'Brien

Conan (go team!) welcomes Ricky Gervais.

Also on the airwaves ...
The Middle, 8:30 p.m., ABC
Gary Unmarried, 8:30 p.m., ABC
Modern Family, 9 p.m., ABC
Criminal Minds, 9 p.m., CBS
Law and Order: SVU, 9 p.m., NBC
Man Vs. Wild, 9 p.m., DSC
Dog the Bounty Hunter, 9:30 p.m., A&E;
Ugly Betty, 10 p.m., ABC
CSI: NY, 10 p.m., CBS
Steven Seagal: Lawman, 10 p.m., A&E;
Launch My Line, 10 p.m., BRAVO
Nip/Tuck, 10 p.m., FX
Leverage, 10 p.m., TNT
NCAA Men's Basketball: Utah State v. Nevada, Pittsburgh v. Connecticut, Cincinnati v. St. John's

What are you watching tonight?


Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom