It's the freshest night of the new season so far. Count 'em: Four new series make their first showing and season premieres also arrive on "Beverly Hills, 90210," "Ellen," "Grace Under Fire," "Dave's World" and "PrimeTime Live." Even Walter Cronkite returns on cable!
* "That Barbershop Sound!" (8 p.m.-9 p.m., MPT, Channels 22, 67) -- More than 1,000 Marylanders are regularly involved in producing the vocal harmonies highlighted in this special. Host and Sun columnist Dan Rodricks introduces a number of Maryland singers in rehearsal and performance, including the Chorus of the Chesapeake, the Dundalk Sweet Adelines, the Maryland Heritage Vocal Ensemble, the Knights of Harmony and the Sons of the Severn. MPT.
* "The Drew Carey Show" (8:30 p.m.-9 p.m., WMAR, Channel 2) -- Another stand-up comedy performer gets a sitcom. Bespectacled Mr. Carey plays an official of a Cleveland department store who tonight has to decide whether to give a friend (co-star Christa Miller) a job. ABC.
* "Central Park West" (9 p.m.-10 p.m., WJZ, Channel 13) -- Mariel Hemingway heads the cast of a new melodrama series from Darren Star, creator of "Melrose Place" and "Beverly Hills, 90210." We meet her in the premiere as the new editor of Communique, adjusting to the competitive scene and taking up residence in Manhattan. CBS.
* "Dateline NBC" (9 p.m.-10 p.m., WBAL, Channel 11) -- Correspondent Victoria Corderi reports on some shady dealings in the jewelry trade. The show's undercover investigation finds shoppers are buying gold items whose karat weight has been falsely reported. NBC.
* "The Naked Truth" (9:30 p.m.-10 p.m., WMAR, Channel 2) -- Tea Leoni stars as a photojournalist who, after a divorce, takes a job with a sleazy tabloid. Her first assignment? Model Anna Nicole Smith, who makes a cameo appearance as herself. ABC.
* "Courthouse" (10 p.m.-11 p.m., WJZ, Channel 13) -- Patricia Wettig ("thirtysomething"), Robin Givens ("Head of the Class") and Brad Johnson are stars of this new drama that tangles personal and public issue story lines in a big-city hall of justice. CBS.
* "PrimeTime Live" (10 p.m.-11 p.m., WMAR, Channel 2) -- Launching a new season, Diane Sawyer looks into parental worries about baby sitters. A new device allows electronic eavesdropping on what's happening at home, and sometimes it's unsettling. ABC.
* "The Cronkite Report" (10 p.m.-11 p.m., The Discovery Channel) -- The former CBS anchor premieres his latest documentary special, an examination of the health of the environmental movement in the United States.