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Goof: A bull at the country fair is significantly colored red. Real bulls are really colored black or brown.
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Goof: When the girls are looking at the Manhattan subway schedule, the last two letters of "Manhatt(an)" are missing.
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Goof: When the Teen Angels find a barrel of superslick wax in the ship's storage hold, a rear shot of Taffy shows her with sleeves on her outfit, which actually has none.
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Goof: In the quick shot where the Teen Angels are running from the River Creature to hide in the ship's hold after Cavey failed to capture it with a net, Brenda appears significantly shorter than the others.
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Goof: On the closeup shot where Dee Dee is handling the license plate, her fingers are pale-skinned.
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Goof: When Cavey unmasks the Buffalo Man, Brenda says it's Brick Markham, but is speaking with Taffy's voice.
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Goof: Dee Dee is driving the motorhome when she tells Cavey to get them ahead of the racers. But when he lifts it up, it briefly looks like Taffy's in the driver's seat before it changes back to Dee Dee.
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Goof: When the gang is about to get aboard the ship, Brenda says "Wait a minute, where's Cavey?" Notice however, the audio and video are out of sync when she speaks.
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Goof: When Dee Dee goes over the clues regarding the moose and bear head displayed at each lodge, her blouse is colored white instead of red.
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Goof: When Taffy points out the culprit and he tries to escape, she says "He's getting away", but speaks with Brenda's voice.
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Goof: Before Don and the Teen Angels are restored to their rightful ages, the background scenes are bare. Once so, furniture can be seen.
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Goof: When Taffy calls for Captain Caveman to capture the Scott brothers, she says "Go get 'em Cavey", but speaks with Brenda's voice. When the girls discuss their plot at the end, Taffy speaks with Dee Dee's voice when she says "...to train the panther to scare the team into losing games".
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Goof: Just after the lights go back on after the theft. Taffy says "All right, nobody move! You're all under suspicion." She speaks again to the girls saying "I don't think the thief's in here", but with Dee Dee's voice.
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Goof: The collar of Dee Dee's blouse is missing on two occasions. First, when she sent Cavey to see what happened to the ship, and later when the gang leave the motorhome to investigate the mystery.
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Goof: After Cavey searched the lighthouse, he indicated to the Teen Angels he found footprints. When Taffy says that word, she speaks with Dee Dee's voice.
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Goof: At the very end of the episode, the last shot of the Teen Angels shows all the top portion of their outfits colored blue, closely resembling their Scooby Doobies jerseys they wore on Scooby's All-Star Laff-A-Lympics.
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Goof: When the Teen Angels are first seen in the bedroom, the collar of Dee Dee's blouse is missing before it reappears.
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Goof: When Nancy hands Dee Dee the mystery key, the latter's hand is pale-skinned.
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Goof: As Cavey goes to the motorhome to guard the mystery key, the next shot on Taffy shows her as a redhead.
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Goof: When Taffy finds the pen light, she speaks with Dee Dee's voice when she says "I bet it's a very important clue."