"Tell it to the Marines" is the fourteenth episode of the third season of Happy Days, also the 53rd overall episode in the series. Co-written by Sid Arthur and Artie Laing, the episode, which was directed by Jerry Paris, first aired on ABC-TV on December 16, 1975.
After being jilted by his girlfriend, Ralph becomes convinced that he's useless and not sophisticated enough to ever keep a girl interested in him, and threatens to join the Marines.
Unable to dial back his infamous slapstick humor that caused his girlfriend, Olivia, to break up with him, a rejected Ralph Malph follows Fonzie's advice to forget all about her and join the Marines.
- Rest of cast listed alphabetically;
- Debbie Chaffin as Dancer in Brown Skirt (uncredited)
- Hillary Horan as Dancer in Red (uncredited)
- Heather Warren as Blonde in Yellow Top (uncredited)