THURSDAY: An American Family. Part four of Craig Gilbert's acclaimed documentary follows Pat Loud, the mother, to the scene of her childhood. CH.2, 9 p.m. Color, 60 min.

American Revolution. Peter Ustinov portrays England's King George III in CBS special "The Last King of America." CH. 7, 9 p.m. Color, 60 min.

Psycho. 1960 Hitchcock study of madness and mayhem in a run-down motel. Anthony Perkins and Janet Leigh. CH. 12. 11:30 p.m. B.W. 90 min.

FRIDAY: Much Ado About Nothing. Producer Joseph Papp brings a jazzed-up version of the Bard to television with a pre WWI setting and brassy music. Choreography by Donald Saddler ("No, No Nanette"). CH. 7, Color, 3 hrs.

SATURDAY: M. Fritz Lang's 1931 classic about a demented child murderer stars Peter Lorre. CH. 2, 8 p.m. B-W, 2 hrs.

SUNDAY: Masterpiece Theater. BBC series presents one of the liveliest chapters from the English schoolboy classic, "Tom Brown's Schooldays," in which Tom is fried, framed and flogged. CH. 2, 9 p.m. Color, 60 min.

Goodbye, Columbus. This metropolitan New York "Graduate" was probably Radcliffe's biggest recruiter before "Love Story." Ali McGraw plays the ultimate bitch-goddess to Richard Benjamin's witty but unambitious librarian in the 1969 adaptation of the Philip Roth novella. First time on TV. CH. 5, 9 p.m. Color, 2 hrs.

MONDAY: Hollywood Television Theater. Jean Renoir's 1957 drama "Carola"; set during the German occupation, explores the divided loyalties of a French actress. First major production of play stars Leslie Car on and Mel Ferrer. CH. 2, 8 p.m. Color, 2 hrs.

The Seventh Seal. Bergman's medieval allegory of life and death. Stars Max von Sydow. CH. 38, 11 p.m. B-W, 90 min.

TUESDAY: Divorce His/Divorce Hers. Two-part TV-movie examines the collapse of a marriage, first from the husband's side and then from the wife's. Richard Burton and Elizabeth Taylor are the couple in this Welsh TV production. CH. 5, 8:30 p.m. Color, 90 min. Part I on Tues. Part II on Wednes.