Gimme a Break! (1981) : 3x5

Joey goes on a hunger strike and says he is not going to an orphanage. Nell then lies to Joey and tells him that she made a friend of a man whose window she broke years ago when she was a child. Joey beleives her, and knows Nell is not a lier, like many adults he knows are. Nell then tells the Cheif he owes her, and she deserves to take Joey in as her foster child. The Chief objects, but Joey tells him he is right, and even himself wouldnt want him as a foster child. The Cheif's feelings change, and Joey is accepted into the family as their foster child