John Tesh says his compositions mix jazz, rock and neo-classical styles, and tonight he's presenting it on behalf of Maryland Public Television.
* "Unsolved Mysteries" (8 p.m.-9 p.m., WBAL, Channel 11) -- Is there buried treasure under the Alamo? Archaeologists are digging around in the Texas shrine because Jim Bowie is said to have stashed a trove of valuables in a well that was subsequently buried -- before the 1836 battle with Mexican troops. NBC.
* "John Tesh Live at Red Rocks With the Colorado Symphony Orchestra" (9 p.m.-11 p.m., MPT, Channels 22, 67) -- Actually, the performer/composer and "Entertainment Tonight" co-host is live in MPT's Owings Mills studios. As the centerpiece of the current 12-day fund drive, he introduces his own special, in which gymnasts Bart Conner and Nadia Comaneci -- they're engaged to be married, you know -- perform to the Tesh sound.
* "Black Fox: Good Men and Bad" (9 p.m.-11 p.m., WUSA, Channel 9) -- An Orioles/Red Sox game on local CBS affiliate WJZ-Channel 13 is scheduled to pre-empt this third part of the trilogy, which was among star Christopher Reeve's last projects before his serious injury this summer. Some viewers may be able to receive Washington's Channel 9, and WJZ plans to re-air the program at 12:30 p.m. tomorrow. In the final story, Mr. Reeves' character embarks on a search for the murderer of his wife. CBS.
* "20/20" (10 p.m.-11 p.m., WMAR, Channel 2) -- Correspondent Deborah Roberts joins the weekly show with a story about gender discrimination in a brokerage house in Chicago. Says one former female executive, describing a meeting with a male
supervisor, "He looked down at my wedding ring and he said, 'Do you really need to work?' " ABC.
* "Dead Ahead: The Grateful Dead In Concert" (11 p.m.-1 a.m., MPT, Channels 22, 67) -- The concert in the title was the band's 15th anniversary celebration in 1980, performed at New York City's Radio City Music Hall. The show repeats at 9 p.m. tomorrow.
* "Jesse James" and "The Return of Frank James" (8 p.m.-10:15 p.m. and 10:15 p.m.-12:15 p.m., TNT) -- The common element in this clever double feature is Henry Fonda, who plays the younger brother of the more famous gunfighter. In the first film, Tyrone Power portrays Jesse in a sympathetic interpretation, and in the latter (1940), Frank goes gunning for Jesse's killer.