Starman (1986)

Season 1: Episode 22

Paul answers an ad for a ""pearl diver"", which he learns upon arriving at the diner is a dishwasher. Scott goes to school. While working at the diner, Paul discovers that his co-worker is illiterate. Scott's teacher talks to Paul about their gypsy ways and thinks that Paul should consider staying in one place so Scott can explore his full potential. Paul then brings his co-worker to her, so that he can learn how to read.