Leave It to Beaver - Season 4 - Eps 17: Beaver's Secret Life
After revealing that he wants to be a writer when he grows up, Ward buys Beaver a diary to practice writing and Beaver begins keeping a record of his daily activites. However, June and Ward pick the lock and sneak a peek at his diary after Beaver neglects to come home on time.
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