Kirstie Alley visits ABC as the Tooth Fairy; WB’s ‘Men in Black’; ‘Newton’s Apple’ at 15

Celebrating its 15th anniversary on public television, Newton’s Apple (KCET, Sunday at 7 a.m.) opens its new season with a look at the “thief of sight”--glaucoma. Baseball great Kirby Puckett, whose career was ended by the eye ailment, joins the science show to talk about it. For ages 10 and up.

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Kristie Alley plays a callous dentist who, after being killed in an accident, is brought back to Earth as the Tooth Fairy in Toothless, the first original production airing on the new “The Wonderful World of Disney” (ABC, Sunday at 7 p.m.). For the family.

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Blues Clues (Nickelodeon, weekdays at 9 a.m. and 12:30 p.m.) opens its second season with a special Monday marathon from 9:30 a.m. to 2 p.m. In the season premiere, Blue has a playdate with her best friend and viewers get a chance to determine what the two will do when Magenta visits. For ages 2 to 5.

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On the premiere of the animated adaptation of Men in Black (WB, Saturday at 7:30 a.m.), Jay blows up a Skaraaldian, a hideous mollusk-like alien. Jay is marked for death but Kay comes up with a plan to save him. For ages 6 to 12.

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When the school bully thinks Chris (Ross Hull) has drawn an unflattering cartoon of him, he stuffs Chris into an Edison High School garbage can on Student Bodies (Fox, Saturday at 11 a.m.). It turns out that Cody (Jamie Elman) actually made the cartoon. For ages 12 to 15.