Doggone envy gets one canine and a big birthday catches up with ‘Blue’; Will Smith on Fox Saturday

Charlie finds out that jealousy will get him nothing but trouble on All Dogs Go to Heaven (KTLA, Sunday at 8:30 a.m.). His problems begin when the dog he likes flirts with Carface in order to get Itchy’s collar back. For ages 4 to 11.

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Blue the animated puppy is having a birthday party and everybody gets a chance to figure out what she wants for gifts, on Blue’s Clues (Nickelodeon, Sunday at 8 p.m.). Guest Gloria Estefan will sing a birthday song. For ages 2 to 5.

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Ray (Tim Reid) thinks the woman he is dating, Vivica (Rolanda Watts), is perfect for him on Sister, Sister (WB, Sunday at 8 p.m.). But Tamera (Tamera Mowry) does not share his assessment and decides to do something about it. For ages 8 and above.

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Viewers get a behind-the-scenes look at Disney’s animated feature “Mulan,” on Movie Surfers Go Inside Disney’s “Mulan,” (Disney Channel, Wednesday at 8:55 p.m.). It’s scheduled to premiere in theaters June 19. The story looks at the adventures of a young Chinese woman who disguises herself as a soldier and joins the Chinese army in order to save her ailing father’s life. For ages 13 and above.

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With Vice President Al Gore’s help, “Bill Nye the Science Guy” traces the evolution of computers (KCAL, Saturday at 9 a.m.) from machines that take up entire rooms to the personal laptop that fits in a briefcase. The music video of the week is a parody on La Bouche’s “Be My Lover,” called “No Computers.” For ages 8 to 14.

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In honor of Father’s Day, actor Will Smith’s short video “Just the Two of Us” premieres during the morning lineup on Fox (Saturday at 10:20 a.m.). The video was written by Smith as a tribute to his young son and features Damon Wayans, Keenen Ivory Wayans and Kenneth “Babyface” Edmonds with their sons. For the family.