College days for ‘Sister, Sister’ on WB; dentist dilemma on ABC; a real retro ‘Hound’ on Cartoon

An old-fashioned curiousity shop, where antique toys and treasures come to life, is the setting for the new PBS children’s show, “Noddy” (KCET, Sunday at 7:30 a.m.), based on the children’s books by British author Enid Blyton. Created by the BBC, the series is a combination of live action, storytelling, puppetry, music and the animated Toyland adventures of a little wooden toy named Noddy. For ages 3-7.

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Kirstie Alley is an unlikely Tooth Fairy-in-training in the reprise of “The Wonderful World of Disney” comedy, “Toothless” (ABC, Sunday at 7 p.m.), about a dentist who ends up in Limbo after an accident and finds she must atone for inflicting pain by bringing joy (and money) to children. For the family.

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It’s “All Work and No Play,” when Tamera (Tamera Mowry) forms a singing group for a college talent showcase and begs study-aholic Tia (Tia Mowry) to be their Diana Ross in “Sister, Sister” (WB, Sunday at 8 p.m.). For the family.

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Little Tommy Pickles’ life is about to change forever--in Monday’s “Rugrats” episode, “The Family Tree,” Didi and Stu’s wedding anniversary cruise leads to a big surprise: a new Pickle baby is on the way (Nickelodeon, Monday at 8 p.m.; repeats Saturday at 8 p.m. and next Sunday at 10 a.m.). For the family.

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Cory Matthews (Ben Savage) and his friends face a whole new set of challenges as the new season of “Boy Meets World” (ABC, Friday at 8:30 p.m.) begins. It’s not only the gang’s freshman year at college, but since last season ended with Cory proposing to Topanga (Danielle Fishel), the couple are dealing with a barrage of “you’re too young to get married” comments from family and friends. For the family.

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In a blast from the past, the Cartoon Network’s “Super Chunk” series will present three hours of ‘toons featuring that doggie with the drawl, “Huckleberry Hound” (Cartoon Network, Saturday, 4 to 7 p.m.