THURSDAY

Behind the Lines. NET's excellent scrutiny of the press. Tonight: the adversary relationship between media and government. Ch. 2, 8 p.m. 1 hour.

SUNDAY

War and Peace. The BBC adaptation of Tolstoy, for those who missed it in the fall. Tonight, the first of nine parts. (Part one will be repeated Tuesday at 9 p.m.) Ch. 44, 7:30 p.m. 2 hours.

The Movies. A salute to the American cinema, featuring clips from more than 110 films (Daddy Long Legs, The Mark of Zorro, Casablanca, Hud, From Here to Eternity, The Graduate, The Jazz Singer and more--you ain't seen nothin' yet). This is part one--part two is Monday at 9 p.m. Ch. 5, 8:30 p.m. 2 hours.

Norman Vincent Peale. How to beat the blahs is tonight's topic. (One suggestion: don't watch this.) Ch. 56, 10 p.m. 1/2 hour.

TUESDAY

Superman. Superman is jailed on a bum rap but he refuses to escape. An inspiration to us all. Ch. 27, 5 p.m. 1/2 hour.

Oscar Awards. The oldest of Hollywood's annual, institutional slapping-of-its-own-back ceremonies. Ch. 4, 10 p.m. Live.

WEDNESDAY

Situation Hopeless--But Not Serious. Alec Guinness in a stylish British comedy. Ch. 7, 11:30 p.m. 2 hours.