The guest players offer the most interest in a trio of series repeats, while Barbara Walters scores another "get" in the competitive magazine show game and a Maryland poet takes to the national spotlight on PBS.
* "Diagnosis Murder" (8 p.m.-9 p.m., WJZ, Channel 13) -- This repeat offers a three-generation tableau, as regulars Dick and Barry Van Dyke, father and son, are joined by grandson Carey, as a surfer. Pernell Roberts and Dyan Cannon also guest. CBS.
* "Tales From the Crypt" (8 p.m.-8:30 p.m., WBFF, Channel 45) -- The rock star Slash makes a guest appearance in a new episode that tracks the rise and sudden fall of a late-night radio disc jockey (Miguel Ferrer). Fox.
* "Dateline NBC" (9 p.m.-10 p.m., WBAL, Channel 11) -- Hang ten, dude! The surfers featured in tonight's segment try to ride the biggest waves they can find, at risk of their lives. NBC.
* "The Language of Life with Bill Moyers" (10 p.m.-11 p.m., MPT, Channels 22, 67) -- The fourth installment of the series about poetry in America features a Maryland writer, Carolyn Forche of Rockville, who directs writing programs at George Mason University. PBS.
* "20/20" 10 p.m.-11 p.m., WMAR, Channel 2) -- In one of those public custody battles that seem to rivet our attention, the adoptive parents of "Baby Richard" speak with Barbara Walters. It's their first public interview since surrendering the boy two months ago to his biological father who had been told by the mother their baby was dead. ABC.
* "Picket Fences" (10 p.m.-11 p.m., WJZ, Channel 13) -- In a repeat that cleverly used the old series-crossover-ploy to boost an ailing series, Mandy Patinkin and Hector Elizondo play their roles from "Chicago Hope," as
Jill (Kathy Baker) takes Wambaugh (Fyvush Finkel) to that very hospital for tests. CBS.
* "Lana Turner Tribute" (Noon-5 p.m., TCM) -- The classic movie channel (not available on all local systems) offers a pair of films and two half-hour shorts featuring the glamourous star who died last week: "The Postman Always Rings Twice" (1946, noon), "The Bad and the Beautiful" (1952, 2 p.m.), "The Great Lady Has An Interview," from Ed Sullivan's "Toast of the Town" in 1954 (4 p.m.) and "MGM Parade Show No. 18" (1955, 4:30 p.m.).
* "Investigative Reports: The Rise and Fall of the Royal Family" (9 p.m.-10 p.m., A&E; Network) -- Can England's Windsor family survive under an onslaught of publicity over divorces, affairs and other scandals?