Teenage Ninja Turtles are up to their necks in prime-time adventure

Cowabunga, dudes! The Teenage Mutant Ninja Turtles come out of their shells to star in a prime-time special, “Planet of the Turtleoids,” in which Michaelangelo, Donatello, Raphael and Leonardo blast off from Earth to visit the planet Shell-Ri-La.

Once at their destination, our heroes meet a race of peaceful aliens threatened by a two-headed monster, Herman the Horrible. In the ensuing action, the guys must stop an evil plot to steal the aliens’ gold-making machines (it’s all in a day’s work for the turtles).

“Teenage Mutant Ninja Turtles,” Saturday 8-9 p.m. CBS. For all ages.

“Teenage Mutant Ninja Turtles” (Saturday morning series), Saturdays 8-9 a.m. CBS. For all ages.

MORE KIDS’ SHOWS

In the 1979 TV movie The Kid From Left Field (today 10 a.m.-noon KNBC), starring Gary Coleman and Robert Guillaume, a fast-talking 10-year-old becomes a bat boy for the San Diego Padres--and is considered responsible for their winning streak. For 7- to 13-year-olds.

Sea monters, ghouls, a leprechaun and a Cyclops make up some of the colorful characters in Jack the Giant Killer (today 7-9 a.m. TNT), the 1962 fantasy movie set in the Middle Ages. For ages 6 and up.

The Flintstone Kids: Just Say No (today 10:30-11 a.m. Family Channel) is a repeat of last week’s anti-drug special for children. For 3- to 10-year-olds.

The 1979 film Mountain Family Robinson (today noon-2 p.m. KCAL) is a modern take on the old tale of an urban family that leaves the city for the Rocky Mountains. For 6- to 13-year-olds.

Hayley Mills plays a dual role in The Parent Trap (today 7-9:15 p.m. the Disney Channel), the 1961 movie about a pair of identical twins who try to reunite their estranged parents. For all ages.

A week’s worth of rebroadcast 3-2-1 Contact Extra specials (Monday-Friday 7-7:30 a.m. KCET) includes, in order, “The Bottom of the Barrel,” about oil; “Secrets of the Code,” about genetics; “I Have AIDS: A Teenager’s Story”; “Down the Drain,” about water, and “The Rotten Truth,” about trash. For 8- to 12-year-olds.

The timeless Adventures of Huckleberry Finn (Monday 10-11:30 a.m. The Movie Channel and 4-5:30 p.m. Showtime), the 1939 film version of Mark Twain’s stories, stars a very young Mickey Rooney as Tom Sawyer’s mischievous sidekick. For all ages.

Harry Anderson hosts The Disneyland Story (Tuesday 8-9 p.m. Disney Channel), which uses historical footage, interview and a behind-the-scenes tour to celebrate The Happiest Place on Earth’s 35th anniversary. For all ages.

Based on the Astrid Lingren story, The Land of Faraway (Friday 6:15-7 a.m. HBO) tells of an adopted boy’s fantasy search for his biological parents. For all ages.

The rebroadcast “TeenAIDS: Sons & Daughters,” on By the Year 2000 (Friday 9-10 p.m. and Saturday 3-4 p.m. KCET), discusses teen-agers’ behavior in light of the AIDS epidemic. For ages 12 and up.

The Young People’s Special “The Year of the Dragon” (Saturday 6-6:30 a.m. KNBC) tells the tale of an orphaned Chinese boy who meets racial prejudice while helping build America’s Transcontinental Railroad. For 5- to 11-year-olds.

“Double Dare’s” Marc Summers hosts What Would You Do? (premiere: Saturday 6-6:30 p.m.; regular times: Saturdays 6-6:30 p.m., Sundays 1:30-2 p.m. and 6-6:30 p.m. Nickelodeon), a new audience-participation show that asks kids how they would respond to precarious and silly situations. It uses a live studio audience as well as a hidden camera. For all ages.