A lot of viewers will be following the bouncing ball as the NCAA Tournament concludes. But the alternatives include a diverse mix of entertainment and education.
* "Prelude to a Championship/NCAA Championship" (8 p.m.-11 p.m., WJZ, Channel 13) -- And then there were two. College basketball's championship game finally arrives, live from the Kingdome in Seattle. CBS.
* "Star Trek: Voyager" (8 p.m.-9 p.m., WDCA, Channel 20; WNUV, Channel 54) -- Longtime "Trek" fans had no trouble identifying the antecedent of this repeat: the original "Star Trek" episode "Spock's Brain." The Voyager crew encounters a culture that steals body parts to keep its own species alive. Neelix (Ethan Phillips) loses his lungs, but the holographic doctor (Robert Picardo) creates a holographic breathing apparatus while the crew hunts the missing organs. UPN.
* "Web of Life: Exploring Biodiversity" (9 p.m.-11 p.m., MPT, Channels 22, 67) -- Pioneering environmentalist Barry Commoner put it best more than two decades ago: "Everything is connected to everything else." Actor John Corbett (philosophic DJ Rick on "Northern Exposure") narrates and the bands R.E.M. and Talking Heads provide accompaniment to a serious documentary of threatened, interconnected ecosystems. It's part of a month of science and technology programs on Maryland Public Television. PBS.
* "Danielle Steel's 'Vanished' " (9 p.m.-11 p.m., WBAL, Channel 11) -- Lisa Rinna, George Hamilton and Robert Hays star in the latest TV movie based upon a mystery best seller. The short version: Glamorous Marielle Delauney (Ms. Rinna) suffers a heap of trouble in the Paris and New York of 1929. NBC.
* "Ancient Journeys: Athens and Ancient Greece" (9 p.m.-11 p.m., the Learning Channel) -- Much of our cultural heritage, from the concept of democracy to the Olympics, can be traced to the storied nations of the Mediterranean. The weekly series explores "the land of Zeus."
* "Elton John: Live World Tour 1992" (10 p.m.-midnight, VH1) -- This concert special, recorded live in Barcelona, Spain, launches an "Elton John-A-Thon." The week-long packaging includes concerts, documentaries and other programming featuring the English pop star, who has sold more than 100 million albums in a 28-year career.