The Vampire Diaries (8pm, CW) - Klaus turns to Stefan for help when Rebekah refuses his plea to stop Kol and protect Jeremy. Meanwhile, Bonnie has a frightening encounter with Kol and mayor Hopkins cancels a school dance.
30 Rock (8pm, NBC) - In the one-hour series finale, Liz (Tina Fey) settles into her new role and Jack (Alec Baldwin, left) reflects on the developments in his own life. Elsewhere, Jenna gears up to perform a farewell song as the cast and crew reassemble for one finale "TGS" edition.
North Carolina Weekend (9pm, UNC-TV) - Tonight's episode features a segment in which Bob Garner visits Mami Nora's, a delicious Peruvian chicken restaurant on Wake Forest Road in Raleigh.
Project Runway (9pm, Lifetime) - The designers make uniforms for a Ping-Pong social club. Susan Sarandon is the guest judge.
Do No Harm (10pm, NBC) - The first episode of a new drama about a successful neurosurgeon who struggles to keep a lid on his dangerous alternate personality. In tonight's premiere, the doctor can no longer control his lethal side, which can now run wild at the same time every night, threatening the doctor's life and career. Check out Adrienne's review.
Scandal (10pm, ABC) - Olivia's team learns the truth about the rigged election and also a thing or two about their boss. Meanwhile, Mellie goes to great lengths to reel in Fitz.
Elementary (10pm, CBS) - Sherlock investigates a suspicious hit-and-run accident that involves a conspiracy theorist. Meanwhile, Watson tries to mend the fractured relationship between Holmes and Gregson.