Smallville (8pm, CW) - Lois Lane's mom and dad visit unexpectedly for Thanksgiving. Tensions rise when the General (Michael Ironside) bad-mouths superheroes and informs Clark Kent of his efforts to pass the vigilante registration act. Meanwhile, Rick Flagg plots to kill the General.
CSI: NY (9pm, CBS) - Mac searches for a sniper who is firing from city rooftops. The shootings force him to relive a disturbing abduction case that may have created one of the deadliest foes the CSIs have faced. John Larroquette guest stars.
The Good Guys (9pm, Fox) - A fainting spell confines Dan to his desk at the onset of a case involving a painting that was stolen from a doctor's house.
Operation Wild (9pm, Planet Green) - In the second season premiere, an 8-foot-long crocodile brings an officer to a family's residence. In the 9:30pm ep, rescued baby sea turtles are released back into the wild, and an illegal scallop harvesting is addressed.
Teach: Tony Danza (10pm, A&E) - Tony catches two students cheating, mediates a fight between friends in his class, and is asked to chaperone the homecoming dance.
The Walking Dead (10pm, AMC) - A repeat of Sunday night's stunning premiere episode. Read more here.
Conspiracy Theory with Jesse Ventura (10pm, TruTV) - Jesse investigates the reasons behind the economic downturn.
Sanctuary (10pm, Syfy) - Nikola Tesla sends a distress call to the team and they track him to the Colombian highlands, where they encounter deadly multipedes. Meanwhile, Bigfoot and Kate learn that a long-time friend has been murdered in Old City.