How I Met Your Mother (8pm, CBS) - The gang realizes that their significant others remeind them of their parents. Also, Barney and Nora's romantic night is plagued by mishaps.

Dancing with the Stars (8pm, ABC) - For week six, the contestants dance to Broadway songs. Kristen Chenoweth performs.

Heart of Dixie (9pm, CW) - Zoe exposes a scandal when she discovers a secret involving a local minister and his wife.

Bored to Death (9pm, HBO) - Already nervous about his appearance on "The New Dick Cavett Show," Jonathan is thrown for a loop when another scheduled guest happens to be his nemesis, Louis Greene (John Hodgman). Meanwhile, Ray's attentiveness as a father is tested.

Enlightened (9:30pm, HBO) - Disgusted with her new surroundings at Abbaddonn, Amy gets excited about the prospect of making a difference with a job at a homeless shelter, but an unexpected bill from her hiatus at the treatment center makes her think again.

A Night at the Movies (9:30pm, TCM) - Stephen King talks about how movies such as "Freaks," "Cat People," Night of the Living Dead," and "Jaws" have affected his writing.

Castle (10pm, ABC) - Castle and Beckett investigate the homicide of a popular ghost hunter who was killed while probing paranormal activity at a famous mansion.