SATURDAY CBS: Memorial Golf Tournament (4 p.m.; Sunday 1 p.m.) Live from Dublin, Ohio. HBO: WarGames (1-3 p.m., also Thursday; on Showtime and WHT pay TV at various times on Sunday) Pay cable channels feature recent movie about a boy and his computer. Story turns into a scary doomsday tale.
ART: Long Day's Journey into Night (8-11:15 p.m.) Ruby Dee and Earl Hyman star in black version of Eugene O'Neill's autobiographical drama (on free cable Arts & Entertainment channel).
PBS: Balanchine (9-10 p.m.) Part 1 of two-part tribute to New York City Ballet choreographer. This segment traces his beginnings in St. Petersburg, Russia.
NBC: A Birthday Bash in New Orleans (9-11 p.m.) Bob Hope's 81st birthday festivities taped at the opening of the New Orleans World's Fair.
PBS: Rockaby (10-11 p.m.) Cinema verite record of Billie Whitelaw/Alan Schneider preparations for production of Beckett's one-act play.
CBS: SAG 50th Anniversary Celebration (9-11 p.m.) Screen Actors Guild tribute (see On TV column today).
PBS: A Walk Through the 20th Century (8-9 p.m.) Bill Moyers talks with Christian Science Monitor newsman Richard Strout about his 60 years covering Capitol Hill.