Happy Days S10 E14 Prisoner of Love

"Those were the days of the 1950's...filled with innocence and the promise of even better days to come."

Fonzie hires a convict, via a work-release program, to be a mechanic at his garage. After the convict, Jim, sees K. C. perform a song at Arnold's, she invites him to dinner. Howard stops K. C. from seeing Jim after Fonzie informs him and Marion of Jim's felonious past.