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Lumpy's Scholarship - S6-E24

Continuity mistake: In "The Credit Card" four episodes before this one, Eddie uses the $15.00 that Wally pays him from a loan to buy a vest. Later Eddie has to give the vest to a friend in order to get back money owed to Eddie's father. But in this episode we see Eddie at Lumpy's party wearing the very same vest.

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Wally's Test - S3-E17

Character mistake: As Eddie Haskell and Lumpy Rutherford return from the washroom to Mr. Gannon's history class, Mr. Gannon calls Eddie "Louis."

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The Dramatic Club - S4-E24

Character mistake: The lady that talks with Miss Landers about the play calls Gilbert Bates "Gilbert Harrison."

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Teacher Comes to Dinner - S3-E9

Continuity mistake: As the family is sitting at the breakfast table during one of the very first scenes, Beaver gets up to leave for school. The checkered napkin in his lap falls to the floor as he walks to the back door. The camera cuts back to the table where the napkin has magically reappeared.

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It's a Small World - S1-E1

Continuity mistake: As Beaver and Wally are starting upstairs after Ward asks them to go change their shirts for supper, the camera cuts from a long shot of Ward across the room in a chair reading a newspaper, wearing a light grey suit, to a medium close-up of Ward wearing a much darker suit, and then back to the light grey.

MarcusTee

Mother's Helper - S4-E23

Continuity mistake: When Margie Manners is shown mopping the Cleaver's kitchen floor she is using a sponge mop. When Wally comes in, the scene then shows Margie pushing a string mop against Wally's shoes.

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Beaver, the Caddie - S6-E21

Visible crew/equipment: When Beaver works as caddie the second time, the group are at the 18th hole. As Messrs Langley and Howard walk off-screen to the right, the camera crew's shadows can be seen on the actors' sweaters.

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