NBA playoffs: Bulls at Pacers (5 p.m., NBATV), Heat at 76ers (6 p.m., TNT), Mavericks at Trail Blazers (8:30 p.m. TNT)

Major League Soccer (6 p.m., ESPN2): New York Red Bulls at D.C. United

Community (7 p.m., Ch. 5): Members of the study group think back on their favorite times together.

The Vampire Diaries (7 p.m., Ch. 15): Tension grows between the Salvatore brothers as they disagree on how to protect Elena.

American Idol (7 p.m., Ch. 13): A contestant is eliminated; David Cook and Katy Perry perform.

The Office (8 p.m., Ch. 5) : Michael teaches Deangelo (Will Ferrell) how to host the Dundie Awards; Erin struggles with her feelings for Gabe.

Bones (8 p.m., Ch. 13): When the remains of a maritime museum security guard are found in the Florida Everglades, Booth asks a former Iraqi soldier for help with the case.

Nikita (8 p.m., Ch. 15): Nikita worries Division is getting too dangerous for Alex; Jaden and Alex are assigned to an overseas mission.

Parks and Recreation (8:30 p.m., Ch. 5): An online dating service matches Leslie with someone she already knows; Chris challenges Ron to a burger cook-off as part of a new health initiative.

30 Rock (9 p.m., Ch. 5): Hank wants to cancel "TGS," but Jack persuades him to let the cast and crew prove themselves with their 100th episode; Jack starts to doubt a decision he made; Jenna considers motherhood.