Leave It to Beaver - Season 5 - Eps 30: The Merchant Marine
Angry with his dad for taking his car keys away, Lumpy Rutherford decides to secretly join the Merchant Marine Corp and has the enlistment information sent to the Cleaver's address instead of his own. Trying to be a good friend, Wally hides the Corp literature in his room; but, when June finds it while cleaning, she's sure that a break-up with his girlfriend and a recent reprimand from Ward have made Wally unhappy enough to leave home.
About Leave It to Beaver

Title: Leave It to Beaver
First Air Date: 1957-10-04
Last Air Date: 1963-06-20
Status: Ended
Rating: 6.9/10 (from 73 votes)
Language: EN
Seasons: 7
Total Episodes: 234
Network: ABC CBS
Genres: Comedy, Family
Production Companies: Kayro Productions, MCA Television, Revue Studios, Gomalco Productions, Kayro-Vue Productions
Synopsis
Leave It to Beaver is an American television situation comedy about an inquisitive and often naïve boy named Theodore "The Beaver" Cleaver and his adventures at home, in school, and around his suburban neighborhood. The show also starred Barbara Billingsley and Hugh Beaumont as Beaver's parents, June and Ward Cleaver, and Tony Dow as Beaver's brother Wally. The show has attained an iconic status in the US, with the Cleavers exemplifying the idealized suburban family of the mid-20th century.
Cast

Jerry Mathers
Theodore 'Beaver' Cleaver

Barbara Billingsley
June Cleaver

Hugh Beaumont
Ward Cleaver

Tony Dow
Wally Cleaver