Visible crew/equipment: Early in the morning, after Ward and Wally go downstairs to check the trap June walks out of the bedroom (a funny June moment), and when Beaver rushes out carrying the baseball bat, the moving boom mic casts a shadow in the top left corner of the screen. (00:04:20)

Leave It To Beaver (1957)
1 visible crew/equipment mistake in Beaver and Henry
Starring: Barbara Billingsley, Hugh Beaumont, Jerry Mathers, Tony Dow
Wally's Practical Joke - S6-E35
Visible crew/equipment: When Eddie Haskell comes over to scheme getting back at Lumpy, just as Eddie, Wally and Beaver are heading up the stairs, a mike boom is visible in the upper left corner.
June Cleaver: Dear, do you think all parents have this much trouble?
Ward Cleaver: No, just parents with children.
Captain Jack - S1-E3
Trivia: The episode "Captain Jack" was the first time a toilet was shown on TV; the boys buy a baby alligator and Wally is shown putting it in the toilet tank. The network censors were so spooked by the thought of showing a toilet on television that they delayed the episode. And when the censors finally relented, the compromise allowed only the toilet tank to be shown, not the bowl.
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