WORTH NOTING ON TV

This guide is designed to alert readers to the scope and variety of programming coming up. Listing is not meant to represent blanket endorsement. Viewers are urged to be selective. FRIDAY Storytellers: The P.E.N. Celebration (PBS, 10-11 p.m.): Kurt Vonnegut, Alice Walker, Woody Allen, Arthur Miller, Eudora Welty, and John Irving read from their own work. SATURDAY The Cover-Up (7-7:30 p.m.): Fourth episode of 13-part ``Degrassi Junior High'' series about teen-age values. The Fig Tree (PBS, 8-9 p.m.): Premi`ere of ``Wonderworks'' series of family-oriented dramas, this one based on a Katherine Anne Porter short story. Heimat (PBS, 9-11:30 p.m.): Continuing the 8-part, 16-hour German series, chronicling life in a fictitious village from 1919 to 1982. Subtitled in English. SUNDAY The Bretts (PBS, 9-10:30 p.m.): Premi`ere of 8-part ``Masterpiece Theatre'' series about a family dedicated to the theater in London of the 1920s. Dollar a Day, 10 Cents a Dance (PBS, 10:30-11 p.m.): Second in ``Silk Screen'' series about immigrants' contributions to the United States. Focuses on Filipino farm laborers in the 1920-30s. MONDAY Funny, You Don't Look 200 (ABC, 8-9 p.m.): Richard Dreyfuss is host of serio-comic celebration of the Constitution, which is managing to survive so many well-meaning but too numerous TV salutes. The Street (PBS, 8-9 p.m.): Third of 5-part series, ``America By Design,'' with architectural historian Spiro Kostof. Floating to Victory (PBS, 9-10 p.m.): Second of 8-part series ``Oil,'' which documents how this precious fluid has influenced world events. TUESDAY Spy Machines (PBS, 8-9 p.m.): ``Nova'' examines the secret world of espionage, highlighting the role of science and technology. Who's in Charge (PBS, 9-10 p.m.): Final part of superb documentary series, ``We the People,'' with host Peter Jennings. The Mother Tongue (PBS, 10-11 p.m.): Second part of repeat of Robert MacNeil's superb series, ``The Story of English.'' WEDNESDAY Live From Lincoln Center: The Magic Flute (PBS, 8-11:30 p.m.): ``Great Performances'' presents a new New York City Opera production of Mozart's comic opera. THURSDAY Capital to Capital (ABC, 11:30 p.m.-1 a.m.): Peter Jennings moderates a live exchange on human rights between US congressmen and Soviet officials. L.A. Law (NBC, 10-11 p.m.): Season premi`ere of this year's most honored Emmy Award-wining series. Listings are in Eastern time; other zones may vary. Please check listings for all PBS programs, since local option often results in differing days and times.

In last Thursday's ``Worth Noting'' column, the television program ``Capital to Capital'' (ABC, 11:30 p.m.-1 a.m.) should have been listed as airing this evening, Wednesday, Oct. 14.