Psych | 10pm on USA

In the winter season premiere, Shawn and Gus find a new and unusual client. When Shabby the Sea Lion is found dead after being released into the wild, Shawn sets out to prove it was murder and stumbles onto a bigger conspiracy.

30 Rock | 9:30pm on NBC

Jenna fears that Liz’s attraction to a new guy (Peter Dinklage) is related to her desire for a baby; Jack helps Tracy and his wife (Sherri Shepherd) arrange a “post-nup.”

Damages | 10pm on FX

Season Premiere: When a man from her past calls, Patty finds herself entangled in a case with personal and professional repercussions.

Scrubs | 9pm on ABC

Scrubs premiere tonight on ABC. Dr. Kelso’s replacement, Dr. Maddox (Courteney Cox), shakes things up at Sacred Heart; J.D. struggles to manage a new group of interns.

Gossip Girl | 8pm on The CW

Uncle Jack Bass (Desmond Harrington) arrives in town to try and help Chuck pick up the pieces; Blair tries to get accepted into Colony Club, the most prestigious ladies club in the city; Jenny returns to Constance Billard

Superstars of Dance | 9pm on NBC

Series premiere: Performers from Argentina, Australia. China, India, Ireland, Russia, South Africa and the United States showcase their native dance styles. Michael Flatley and Susan Castillo host.

20/20 | 10pm on ABC

Women who turn childbirth into a pleasurable experience; women mothering fake babies; a woman who was investigated for breast-feeding her 8-year-old child; women who become repeat surrogate mothers; home births

How I Met Your Mother | 8:30pm on CBS

Marshall awaits his bar exam results; Ted introduces his latest girlfriend to the gang, who all see the flaw that Ted has missed.

Cold Case | 9pm on CBS

Rush reopens the case of a stewardess murdered in 1960 while trying to organize a union.