Community: Interlopers ramp up the drama at Greendale's paintball tournament in the season finale (8 p.m. NBC).
The Vampire Diaries: While watching “Gone With the Wind,” Damon (Ian Somerhalder) finds memories of Katherine (Nina Dobrev) from 1864 mixing in with the reality of present-day Elena (Dobrev again) in the season finale (8 p.m. KTLA).
American Idol: Jordin Sparks performs in this results episode (8 p.m. Fox).
CSI: Crime Scene Investigation: Langston (Laurence Fishburne) finally confronts the Dick & Jane Killer (Bill Irwin) in the season finale (9 p.m. CBS).
Nikita: Alex (Lyndsy Fonseca) goes rogue, Percy (Xander Berkeley) makes a move on the CIA. Nikita (Maggie Q) faces the ultimate penalty for helping Alex and Michael (Shane West) is trapped inside Division in the action series dangerous season finale (9 p.m. KTLA).
Music Builds: CMT Disaster Relief Concert: This new concert special — held to raise awareness and funds for those affected by the recent devastating storms, floods and tornadoes — features music from Hank Williams Jr., Alabama, Keith Urban, Lady Antebellum, Ronnie Dunn, Sara Evans and Tim McGraw . (9 p.m. CMT).
Outsourced: Rajiv (Rizwan Manji) fears that his wedding will be canceled after he's discovered in a compromising position in the season finale (10:30 p.m. NBC).
Baseball: The Dodgers visit the Pirates (4 p.m. KCAL).
Basketball: NBA playoffs: The Chicago Bulls visit the Atlanta Hawks (5 p.m. ESPN).