Continuity mistake: When Tracey says, "There'll be guards everywhere now," Misty is behind Ash, but in the next shot, she is not. (00:10:31)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Brock says, "Uh, excuse us, sir, but we're travelers and we're lost," the straps of his sleeping bag are blue, but in the next shot, they are black. Also, he is next to a picture of a Drowzee, but in the next shot, he is not. (00:07:48)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Brock says, "Yeah, and there'll be somebody to tell us where we are," the straps of his rucksack are not next to his sleeves, but in the next shot, they are. (00:06:57)
All Things Bright and Beautifly! - S6-E13
Continuity mistake: When the receptionist says that there are no more spots left in the Pokémon Contest, the part of her below her collar is white, but in the next shot it is blue. Also, there is a flowering pot at an end of a desk, but in the next shot, there is not. (00:04:14)
Pokemon Scent-sation! - S1-E26
Continuity mistake: When Erika asks if she is overcharging her customers for inferior perfume, there is a sign, but in the next scene, there is not. Also, there is a poster below the top of a doorway with a ring pointing to the left of it, but in the next scene, it is above the doorway with its ring pointing to the right of it. Additionally, there is a plant next to the poster, but in the next scene, it disappears. (00:02:36)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When James says, "Look over there!" there is a phone booth with no wire attached to it, but in the next shot, a wire is attached. (00:03:21)
All Things Bright and Beautifly! - S6-E13
Revealing mistake: When Ash opens a door, Pikachu's tail clips through the doorway and wall. (00:11:26)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: When Ash and friends are first looking at the St. Anne, Ash's rucksack has a strip, but in the next shot, it does not. (00:03:54)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When the costume's right arm falls off, the shell is not fully coloured in. (00:12:32)
Continuity mistake: When Professor Oak is raising his right arm for the first time, his right sleeve intermittently goes from having two buttons to having one. (00:09:19)
Continuity mistake: When Nurse Joy says that it is not necessary for Team Rocket to be at the Pokémon Center, James', Jessie's, Meowth's, Ekans', and the stairs' positions change. Also, the way Ekans is curled up changes. Additionally, Jessie's right earring goes from being present to being absent. (00:13:44)
Pokemon, I Choose You! - S1-E1
Revealing mistake: When the second crowd is cheering, a woman's dress is not fully coloured in. (00:07:35)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: When people are watching the St. Anne rock, some of them are constantly changing colour. (00:19:36)
Mystery at the Lighthouse - S1-E13
Revealing mistake: As Krabby's Poké Ball begins wobbling, the light on it briefly shifts to the left. (00:04:36)
Pokemon, I Choose You! - S1-E1
Continuity mistake: When Professor Oak is getting Pikachu's Poké Ball, the platform it is on is in one piece, but in the next shot, it is in two pieces. (00:06:43)
Revealing mistake: When Ash goes to save the Pikachu in the river, he clips through his and Misty's bags. (00:05:25)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When the costume's left arm falls off, the shell is not fully colored in. (00:12:33)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Bill asks, "Who's there?" the intercom on the doorbell changes from blue to black. (00:06:38)
The Water Flowers of Cerulean City - S1-E7
Revealing mistake: In the localizations, when Ash and Brock begin running to the crime scene, part of the top of Ash is missing. (00:04:25)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Damian says, "Just look at 'em," the pile of Poké Balls changes. (00:06:07)
Answer: There are a lot of fan theories around this, but the most common theme is that Pikachu had another trainer before Prof. Oak, who gave him to Ash. Pikachu didn't appreciate being handed over.
Ssiscool ★