Chuck (8pm, NBC) - Sarah sets out on a perilous undercover mission by assisting Mary Bartowski (Linda Hamilton) in a bid to finally crush criminal mastermind Volkoff (Timothy Dalton).
The Bachelor (8pm, ABC) - Crazy Michelle wakes up with a black eye and says she has no idea how she got it. Also, nine of the women visit with therapist Dr. Drew.
Final Sale (9pm, Lifetime) - A woman (Laura Harris) receives a kidney illegally from a younger girl and later learns the donor died during surgery. Horrified, she sets out to stop the crime ring that supplied the organ, butting heads with her detective husband (Ivan Sergei) along the way.
Castle (10pm, ABC) - Beckett (Stana Katic, left with Nathan Fillion) meets the retired detective who handled her mother's homicide case, but he is killed right before he can tell her anything. The subsequent probe may finally reveal who committed her mother's murder.
Harry's Law (10pm, NBC) - Harry (Kathy Bates) defends a poor elderly woman who committed armed robbery to get money for food, and Adam faces a famous lawyer when he defends a Laundromat owner who fired a woman because of his "one child only" policy.