Gimme a Break! (1981) : 1x9

Julie goes off to the arcade after having no luck at finding a date to the Junior prom. At the arcade, she meets a worker there who is into computers named Arnold and she asks him to the prom and he accepts. However, the Cheif is mad that Julie returns home late and grounds her, not wanting to hear her side of the story. In the end, Katie realizes that Julie is at the arcade because she mentioned being short on quarters and the Cheif decides to go down there, letting her know that he cares a lot for her and that he allows her to go to the prom with Arnold.