Teen Angel

Sabrina tracks her runaway cat, Salem, who has used his magic ""time ball"" to blast everyone in time back to 1979. Meanwhile, Judy is bemoaning the lack of a man in her life, but when Marty turns the family dog into the loyal and loving ""Bob,"" she gets more than she bark-ained for on the disco dance floor; and Marty tries to create his own magic with Sabrina hoping to win her heart even if it takes a thousand years.

Marty gives Steve's science frog the power of speech. Steve then refuses to disect the frog when he befriends it. Making an annoyed teacher and a happy frog.

After Katie loses her tribal feather just before a camp out, Marty plucks on from his wing. It's only when Katie and Steve get to the camp site that they find out the magical power behind it.

Steve and Jordan are spending time together and Marty is reunited with his uncle. While Marty likes to go wherever Steve and Jordan, Steve thinks that three's a crowd.

Steve meets Diane, a girl he falls in love with from Science Club and brings her on a date but he forgot he was meant to baby-sit Katy so Marty brings one of Katy's dolls to life! But Diane thinks Steve is going out with her.

Steve's dad, Casey, has returned to the family but when Grandpa moves in as well, Steve has to learn a lesson in respect and Marty learns his invisibility isn't limitless.