The Ellen DeGeneres Show

(3 p.m., NBC10) - Ashton Kutcher; Chely Wright; Joseph Vincent performs.

The Oprah Winfrey (4 p.m., 6ABC) - Peter Walsh.

How I Met Your Mother (8 p.m., CBS3) - Lily forces Barney and Robin to confront their biggest fear about becoming a couple.

So You Think You Can Dance (8 p.m., Fox29) - A two-hour audition episode opens the seventh season. Favorite dancers from past seasons return.

Rules of Engagement (8:30 p.m., CBS3) - Jeff is startled to discover that a colleague wants to have an affair with him.

100 Questions (8:30 p.m., NBC10) - In this new sitcom, Charlotte Payne joins an online dating site and takes a compatibility test that prompts poignant or funny episodes in her life.

CSI: Crime Scene Investigation (9 p.m., CBS3) - A famous young actress dies as the result of a suspicious car accident.

The First 48 (9 p.m., A&E) - A 29-year-old man and his paralyzed mother are found shot in their apartment.

The Mentalist (10 p.m., CBS3) - Janeand the team investigate the murder of a mayoral aide.

Late Show With David Letterman (11:35 p.m., CBS3) - Robert Downey Jr.; OK Go performs.

The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Katherine Heigl; Matthew Morrison; Allison Moorer performs.

Jimmy Kimmel Live (12:05 a.m., 6ABC) - TV show host Chris Harrison; Stone Temple Pilots perform.

The Late Late Show With Craig Ferguson (12:35 a.m., CBS3) - Michael Sheen; Band of Horses performs.

Late Night With Jimmy Fallon (12:35 a.m., NBC10) - Authors Steve and JoAnn Ward; Reflection Eternal performs.