The Ellen DeGeneres Show
(3 p.m., NBC10) - Actor Tom Hanks; Nicole Scherzinger and 50 Cent perform.
The Oprah Winfrey Show (4 p.m., 6ABC) - A memorable, star-studded farewell.
The Biggest Loser (8 p.m., NBC10) - The eliminated contestants return for the season finale to weigh in one last time before the winner is crowned.
Glee (9 p.m., Fox29) - New Directions is off to nationals.
Deadliest Catch (9 p.m., DISC) - While the police respond to a confrontation aboard the Cornelia Marie, a deckhand on the Kodiak suffers an injury that permanently ends his career, and an injury to a Ramblin' Rose crew member leads to a change of heart for Capt. Elliott Neese.
Independent Lens (10 p.m., WHYY12) - "Welcome to Shelbyville" profiles a small Tennessee town that is having to redefine itself because of a growing Latino population and the arrival of hundreds of Somali refugees.
The Daily Show With Jon Stewart (11 p.m., COM) - Actress Keira Knightley.
Conan (11 p.m., TBS) - Actor Topher Grace; actress Melissa McCarthy.
Late Show With David Letterman (11:35 p.m., CBS3) - Ewan McGregor; Scott Pelley; Brad Paisley performs.
The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Meredith Vieira; comic Demetri Martin; Ben Harper performs.
Jimmy Kimmel Live (Midnight, 6ABC) - Dancing With the Stars winners; Britney Spears performs.
Lopez Tonight (Midnight, TBS) - Actor Ken Jeong; the Script performs.
The Late Late Show With Craig Ferguson (12:35 a.m., CBS3) - Actress Courteney Cox; comic Carrot Top.