Saturday on Fox Family Channel at 8 p.m., Luke Perry and Martin Sheen star in "Storm," a movie about a meteorologist who tries to save Los Angeles from nasty weather packing winds of 400 miles per hour. The film promises big-budget special effects, including the image of Los Angeles being deluged by rain. Repeats: Sept. 14 and 26.

Sunday on CNBC at 8 p.m., "National Geographic Explorer," formerly on TBS, debuts on "Weekends on CNBC" with new shows Sundays at 8 p.m. and repeats Saturdays at 8 p.m. This week's premiere, "Beyond 2000: The New Explorers," profiles several of "Geographic's" best adventurers.

Sunday on Showtime at 8 p.m., Ann-Margret, Marg Helgenberger, Henry Thomas, Nicholas Campbell and Rick Peters star in "Happy Face Murders," about a grandmother who sends the police on a wild-goose chase and winds up on trial for murder. The movie is followed by a 20-minute show about the real "Happy Face Killer," upon whom the film was based. The movie repeats Sept. 14, 18, 23.

Sunday on History Channel at 9 p.m., "Sworn to Secrecy" finds Charlton Heston hosting tales of espionage and skullduggery. The first episode, "The French Resistance," examines the role of the French Underground during World War II. Repeats at 1 a.m.

Monday on Discovery Channel at 9 a.m., the debut of "The Christopher Lowell Show," with the hip host planning to wow viewers with new ideas and old fixes to design dilemmas.

Monday on Fox Family, Tony Danza, Judith Light, Katherine Helmond, Alyssa Milano and Danny Pintauro return for an encore run on "Who's the Boss?" Ten episodes air Monday from 6 to 11 p.m. Beginning Tuesday, two episodes air each weeknight from 6 to 7 p.m. The series ran on ABC from 1984 to 1992.

Monday on A&E Network at 8 p.m., "Biography" profiles Ron Howard, a former child actor who has forged a successful adult career. Howard made his debut as a baby in "Frontier Woman," starred in two long-running shows, "Andy Griffith" and "Happy Days," before he was 20 years old, then moved on to direct films such as "Splash," "Cocoon," "Apollo 13" and "Ransom." Repeats at midnight.

Monday on History Channel at 10 p.m., "Modern Marvels" interviews top fireworks designers to explore how the wondrous spectacles come about. Repeats at 2 a.m. and Saturday at 7 p.m.

Thursday on MTV at 8 p.m., comedian Chris Rock hosts the 16th "MTV Video Music Awards," airing live from New York's Metropolitan Opera House. Expect appearances by Madonna, U2, the Rolling Stones, Alanis Morissette, Beck, Jewel, Sting, Puff Daddy, Marilyn Manson, the Beastie Boys and Spice Girls.

Friday on Fox Family Channel at 8 p.m., new series "World Gone Wild" features scientists, filmmakers and animal experts exploring the natural world.

Friday on Showtime at 9 p.m., David Bowie hosts the trilogy "The Hunger" and stars in the first story, "Sanctuary," as an obsessed artist with a penchant for the macabre. Luke Scott makes his directorial debut in the second story, "Skin Deep," and Eric Roberts stars in the third, "The Dream Sentinel."

Saturday on History Channel at 9 p.m., nature's fury is unleashed in "The Wrath of God." The series premiere looks at violent storms that have caused more than 6,000 ships to sink in the Great Lakes. Repeats at 1 and 5 a.m.

Saturday on Fox Family Channel at 10 p.m., a new series, "Extreme Courage," focuses on risk-takers.