Tuesday on TV

It's the Great Pumpkin, Charlie Brown (7 p.m., Ch. 4): This 1966 animated show remains by far the best Halloween TV special of all time. (Repeat)

Biggest Loser (7 p.m., Ch. 5): Derek Jeter appears in an episode that features a baseball challenge.

So You Think You Can Dance (7 p.m., Ch. 13): The top-20 finalists perform in this two-hour episode.

Dancing With the Stars (8 p.m., Ch. 4): Another pair is eliminated.

The Forgotten (9:01 p.m., Ch. 4): A John Doe is found buried at a popular vacation spot.

Frontline (9 p.m., Ch. 7): "Close to Home" reports on "regular" people whose lives have been changed by the economic downturn.

Sons of Anarchy (11 p.m., FX): SAMCRO goes to extremes to procure weapons for a customer.