The final ‘Family Matters’ on ABC; ‘Sabrina’ the Showtime Teenage witch; Mother’s Day ‘Rugrats’

It’s back to prehistoric times in The Land Before Time III: Time of the Great Giving (Disney Channel, Sunday at 7 p.m.), making its TV debut. The story has four young dinosaurs trying to figure out why their valley’s water supply is dwindling. For ages 5 to 10.

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Fans of ABC’s Sabrina, The Teenage Witch (Sunday, 8 p.m.). can see the genesis of the series when Showtime repeats the movie that got it started. Melissa Joan Hart brings the spunky comic book character to life. For ages 8 to 15.

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In a special Mother’s Day episode, Angelica, Tommy, Phil and Lil search for presents to give their moms in Rugrats (Nickelodeon, Tuesday at 8 p.m.). But Chuckie undertakes a more serious search: for his mother. For ages 4 to 8.

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Urkel invents a time machine that transports him and Carl to an 18th century pirate ship in Family Matters (ABC, Friday at 8 p.m.), then they have trouble getting back. This is the last original broadcast of the series on ABC after eight seasons; it moves to CBS this fall. For the family.

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Celebrities share the spotlight with their mothers one All Star Moms (CBS, Friday at 8 p.m.). The roster of stars scheduled to appear includes Gloria Estefan, Robin Williams, Jane Seymour, Shaquille O’Neal, Dwight Gooden and Mandy Patinkin. For the family.

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Another Mother’s Day episode finds Damey Wayne contemplating the arrival of a younger sibling and then helping his mother when she goes into labor, on Waynehead (WB, Saturday at 10 a.m.). For ages 5 to 10.