Richard Deacon's appearances as pompous Fred Rutherford diminished in the last season as he was also portraying Mel Cooley on the The Dick Van Dyke Show at the same time.
Eddie called everyone "Sam".
The name of the state Mayfield was in was never mentioned, although it was said to be somewhere in the Midwest. But in one episode, the Beaver wanted to earn money with a paper route, to join-in with a friend to buy a surf board. That would suggest Mayfield is near the ocean.
The character Eddie Haskell was ranked #2 in TV Guide's list of "TV's 10 Biggest Brats" (27 March 2005 issue).
In addition to his role as Ward Cleaver, Hugh Beaumont also did some writing and directing for the series.
The character 'Ward Cleaver' was ranked #28 in TV Guide's list of the "50 Greatest TV Dads of All Time" (20 June 2004 issue).
When filming was shifted to Universal's backlot (then known as Universal International) a new house was built. This house remained as a standing set and was later used for many other television programs and motion pictures. It is a popular attraction on Universal's Tour. More than forty years after the final episode was filmed, the still standing set is known as "The Cleaver House."
Hugh Beaumont held a Master of Theology degree from the University of Southern California and was an ordained minister.
This show made its debut on the same day the Soviets launched Sputnik (4 October 1957)
The house on Universal's backlot that was used for the exterior shots of the Cleavers' second home (in Season 3, after the move to ABC) was later used for the exterior shots of Marcus Welby's house. in Marcus Welby, M.D..
In the pilot episode, the part of "Frankie" was played by a young Harry Shearer.
Edgar Buchanan, who appeared in an earlier episode as Captain Jack, would later return as Wally and Beaver's Uncle Billy.
This was in a way the first show to show a toilet and in a way it also wasn't. They didn't actually show the toilet pedestal and seat, but they did show the toilet tank and flush handle.
Larry Mondello's sister, although talked about, is never shown. His father is shown in one episode when all the kids gather back stage after the school play when Larry played a hop toad.
Produced by Gomalco Productions (1957-61) and Kayro Productions (1961-63) in association with Revue Productions. Produced at Republic Studios (1957-59) and Universal-International Studios (1959-63). Originally syndicated by MCA-TV, more recently by Program Exchange.