Family Affair (1966)

Cissy has trouble finding a date for the Sadie Hawkins dance, and asks a boy who throws her a curve because of a broken leg. Thinking that he is lying, she feels miserable. Bill suggests that an actor friend of his who is visiting escort her to the dance, but Cissy turns him down. Then, Cissy sees that Virgil really does has a broken leg, and she is happy that he didn't lie to her.