TELEVISION
Wednesday, February 5
HALLMARK HALL OF FAME (NBC, 7:30-9 p.m.).* David McCallum, Ossie Davis and George Grizzard star in Teacher, Teacher, an original drama by Allan Sloane, about the struggle to teach a mentally retarded teen-ager played by Billy Schulman.
TURN-ON (ABC, 8:30-9 p.m.). A computer hosts and Tim Conway guest stars in the premiere of a new series that promises to be "a visual-comedic assault on the people who watch it." Whether it also gets charged for battery remains to be seen.
WEDNESDAY NIGHT MOVIE (ABC, 9-11 p.m.). Peter Ustinov, Kirk Douglas,...