Continuity mistake: When Ash realises that something happened with Pikachu, his bag is below the second-highest plank on the bench, but in the next shot, it is aligned with it. (00:01:27)
Continuity mistake: When Ash, Brock, and Misty rush to find a Pokémon Center for Pikachu because he has fainted, they leave their backpacks behind. When they arrive at the hospital, they suddenly have their backpacks with them. (00:02:26)
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)
Continuity mistake: Jessie seems completely surprised when she's told that Voltorb can explode, but in The Ninja-Pokemon Showdown (Season 1, Episode 32), not only did she and the others find out what Voltorb are, they were all affected by the explosions as well.
Continuity mistake: When Ash and friends turn to look at Growlithe's mansion, Brock's left bag goes from brown to red. (00:02:31)
So Near, Yet So Farfetch'd - S1-E47
Continuity mistake: When Team Rocket takes off in the boat, it sinks. Their pokeballs float away, and Jessie says "Arbok and Lickitung are floating away!" But she doesn't catch Lickitung until Princess Versus Princess (Season 1, Episode 52).
Suggested correction: It's because these episodes were aired out of order.
That's true because of Electric Soldier Porygon.
Princess Versus Princess - S1-E50
Continuity mistake: When the announcer is discussing the competition this year for the Princess Festival, there is a poster behind him, but in the next shot, there is not. (00:06:57)
The Case of the K-9 Caper - S1-E52
Continuity mistake: When Officer Jenny is first with a tray with cups, the last character on the paper on the wall in front of the back wall to the left disappears between shots. (00:04:12)
The Case of the K-9 Caper - S1-E52
Continuity mistake: When zooming out on Officer Jenny when she is in the police station, there is no spatula on the wall, but in the next shot, a spatula appears. Also, the last character on the paper to the left changes. (00:04:15)
The Case of the K-9 Caper - S1-E52
Continuity mistake: When Ash retracts his hands after placing his chopsticks on his bowl, they are not pointing to a bowl, but in the next shot, they do. (00:04:51)
Continuity mistake: When Ash pushes Brock out of the way, Brock is facing towards him, but in the next shot, he is facing away from him. (00:02:15)
Continuity mistake: When Todd says Ash and his friends know of the photographer who took the only known photo of Aerodactyl, the black collar on Ash's shirt turns white. (00:04:21)
Continuity mistake: When Todd says he will make sure to capture Pikachu's best side, his gloves appear. (00:05:55)
Continuity mistake: When Brock says Todd has a talent for photographing Pokémon, the yellow strap on Todd's camera turns black like the camera. (00:07:51)
Continuity mistake: When Todd is upside-down in a tree, his gloves disappear. (00:11:53)
Continuity mistake: When Todd jumps into the hole to save Ash, the blue strap on his camera case turns yellow, like the one on his camera. (00:15:21)
Continuity mistake: When Team Rocket is approaching the waterfall, James is to the left of Meowth, but in the next shot, he is to the right. (00:19:10)
Continuity mistake: When Ash takes his testing number, his gloves do not cover his thumbs, but in the next shot, they do. (00:02:58)
Continuity mistake: When Ash tells Todd to save his photography for Pokémon, Todd's blue camera case turns black, while the strap turns yellow, like the one on his camera. (00:04:33)
Continuity mistake: When Meowth is suspicious of Jessie, pads appear on his forepaws. (00:06:11)
