* This morning, an RKO marathon begins on Turner Classic Movies.

* Also, Bob Barker's post-surgery return on "The Price Is Right" on WUSA.

* Tonight, figure skating debuts on Lifetime.

* The network debut of "Happy Gilmore" on WTTG.

* And "Teen Files: The Truth About Violence" on WDCA.

Movie Marathon

Turner Classic Movies marks the 70th anniversary of RKO Pictures with a 24-hour, 12-movie marathon beginning at 8:30 a.m. with "What Price Hollywood?" Other highlights include "Love Affair" at noon, "King Kong" at 2 p.m., "Top Hat" at 4 and "Citizen Kane" at 8.

Game Show

The Price Is Right (CC). The program, taped in late October, marks Bob Barker's return as host (Channel 9 at 11 a.m.).

Prime-Time Movie

Happy Gilmore (1996) (CC). A hockey player (Adam Sandler), not good enough for the NHL and filled with rage, takes up golf and discovers he can drive a ball farther than Tiger Woods. Two hours (Channel 5 at 8).

Special

Teen Files: The Truth About Violence profiles eight troubled Los Angeles teenagers over a four-week period that culminates with a visit to Columbine High School, where they meet with the father and brother of one of the murder victims. Two hours (Channel 20 at 8).

Newsmagazines

Dateline (CC). The story of one woman's difficult decision to donate a kidney to a young woman after she had already given her bone marrow (Channel 4 at 9).

20/20 (CC) interviews actor Dudley Moore, who is battling a debilitating brain disease (Channel 7 at 10).

Series

Providence (CC). Kyle makes the difficult decision to leave Providence, R.I., while Jim is replaced as host on the "Ask the Vet" show (Channel 4 at 8).

Who Wants to Be a Millionaire (CC). Spend your Friday night with Rege! (Channel 7, 8:30).

Now and Again (CC). Michael makes it home for Thanksgiving dinner accompanied by Theo (Channel 9 at 9).

For Your Love (CC). Mel is invited to join an exclusive country club that denied Dean admission for the past three years (Channel 50, 9:30).

Nash Bridges (CC). "Stone Cold" Steve Austin is back (Channel 9 at 10).

Late Night

Space Ghost Coast to Coast. Jerry Springer is the guest (Cartoon Network at 11).

CAPTION: Barbara Walters interviews Dudley Moore on "20/20" at 10.