THURSDAY: An American Family. The Loud family. subjects of a seven-month documentary analysis, take a vacation, separately. CH. 2. 9 p.m. Color. 60 min. Love Story. No, not that one. This 1944 English movie with striking plot similarities to a certain Harvard recruiting film has an ailing concert pianist in a doomed love affair with a blind RAF officer. CH. 4 1:05 a.m. B-W. 90 min.

FRIDAY: Hall of Fame. The off-Broadway musical "You're a Good Man Charlie Brown," is a comic-strip come to life. CH. 4. 8:30 p.m. Color. 90 min.

Dracula. The original 1931 horror classic with Bela Lugosi as the Vampire Count loose on unsuspecting London. CH. 5. 2:35 a.m., B-W. 1 hr. 25 min.

SATURDAY: Beauty and the Beast. Poet Jean Cocteau directed this adult fairy-tale in France soon after the Nazis evacuated. Lyrical escapism. CH. 2. 8 p.m. Color. 2 hrs.

The Andromeda Strain. Robert Wise translated Michael Crichton (recent Harvard grad)'s sci-fi novel into a cool and canny thriller. An alien micro-organism threatens to destroy the human race in this 1971 film. CH. 4. 9 p.m. Color. 2 hrs. 30 min.

SUNDAY: The Longest Day. Literally, a cast of thousands peoples this epic recreation of D-Day, June 6, 1944, directed by Darryl F. Zanuck. CH. 5. 9 p.m. Color. 2 hrs. Concludes Mon. same time.

TUESDAY: Wild in the Streets. Political fantasy in which "hip" youngsters take over the reins of U.S. government, elect a rock star President, and put all over-30's in concentration camps. Christopher Jones and Hal Holbrook star. CH. 7. 11:30 p.m. Color. 2 hrs.