"Sister, Sister" is the fifteenth episode of Season 4 of the sitcom Good Luck Charlie.
Teddy tries to reconcile Amy and her look-a-like sister, Jamie (also played by Baker), years after a school crush chose Amy, breaking Jamie's heart. A misunderstanding happens between PJ and his fellow culinary school classmate Winnie. Gabe and Jake use Toby's face for advertising, to earn extra money.
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