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Pokemon, I Choose You! - S1-E1
Continuity mistake: When Gary is first talking to his crowd, there is a woman with blue-green hair, a pink dress, and a yellow apron to the left, but in the next shot, she is replaced by a boy in a green shirt with brown hair and without an apron. (00:05:11)
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Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Ash notices the Saffron City Gym, the buildings in the background change. (00:06:38)
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Continuity mistake: When Brock says, "Looks like a greenhouse," he is holding the straps of his rucksack, but in the next shot, he is not. (00:04:08)
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The School of Hard Knocks - S1-E9
Continuity mistake: After the title card, Ash and Misty have their bags on, but as the shot progresses, they will occasionally disappear. (00:02:03 - 00:02:58)
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Continuity mistake: When Misty asks if Brock knows how scared it makes her feel when he yells, the purple strap on her bag turns yellow like her shirt. (00:02:04)
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Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Ash and his friends are surprised, Charmeleon starts evolving. The black straps on Brock's bag turn green like his vest. (00:15:44)
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Continuity mistake: When Misty says that she and her friends have to go to Valencia Island, her bag disappears. This also happens at the end of the episode. (00:14:48 - 00:20:53)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Misty says that she and Brock giving Ash the Badges was a mistake, the purple strap on her bag turns yellow, like her shirt. (00:02:11)
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The Path to the Pokemon League - S1-E8
Continuity mistake: When Ash and his friends are standing in front of A.J.'s Gym, Ash's white sleeves turn blue. (00:02:45)
Continuity mistake: When Ash asks what Team Rocket is talking about, pads appear on Meowth's forepaws. (00:13:26)
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Continuity mistake: When the Officer Jennys say that the news reporters are Team Rocket, Meowth's disguise disappears. (00:12:31)
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Continuity mistake: When Daisy says that the Sensational Sisters have been performing for so long that they no longer get large crowds, Ash's left glove disappears. (00:04:38)
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Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Jigglypuff notices that everyone fell asleep, Pikachu's tail changes from yellow with a brown base to brown with a yellow base. (00:18:24)
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Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Ash says that Charmeleon still will not obey him, the green straps on his bag turn blue like his jacket. (00:11:06)
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Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: During Team Rocket's motto, James' purple belt briefly turns white, like his trousers. (00:04:04)
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Continuity mistake: When Dr. Proctor says that he has been unable to refuse requests from young girls, the yellow clips on Misty's suspenders turn red like the suspenders. (00:03:22)
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The March of the Exeggutor Squad - S1-E41
Continuity mistake: When Ash recalls Bulbasaur and Squirtle, his right glove disappears. (00:17:02)
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Showdown at Dark City - S1-E40
Continuity mistake: When Kaz sends out his Electabuzz during the final fight, the red "K" on his shirt turns blue like the rest of the shirt. (00:12:40)
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Showdown at Dark City - S1-E40
Continuity mistake: When Yas first tells his Scyther to attack, the clips on his uniform disappear. (00:04:03)
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Continuity mistake: When Ash tells the baker that he wants some bread, the left strap of his bag changes from green to white. (00:03:48)