Showdown in Pewter City - S1-E5
Continuity mistake: When Ash and Misty turn to Flint at the Pokémon Center, the left strap on Ash's rucksack is blue while the part of his jacket to left of it excluding the sleeve is green, but in the next shot, the strap is green while the part of his jacket is blue. (00:03:55)
Showdown in Pewter City - S1-E5
Continuity mistake: When one of Brock's sisters says, "I tore my skirt!" there are no cubicles, but in the next shot, there are. (00:08:59)
Continuity mistake: When Ash and friends are going into an alley, Ash's collar changes from white, to blue, to cream, and back to blue. Also, his face changes from skin colour to white. (00:10:27)
Continuity mistake: When Daisy is first seen straightening paper, there is a grey sign on the desk, but in the next shot, the sign is black. (00:10:15)
Pokemon Fashion Flash - S1-E28
Continuity mistake: In the closeup of the door handle, the panel below it is brown, but in the next shot, it is yellow. (00:03:44)
Continuity mistake: When Ash and friends are after Assunta wins, a man in a blue shirt has his left hand raised, but in the next shot, it is not. (00:08:33)
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)
The Battling Eevee Brothers - S1-E38
Continuity mistake: When Mikey asks, "Running away?" the area around Misty's shorts is coloured blue, but in the next shot, it is coloured yellow. (00:09:24)
Continuity mistake: When Ash asks, "Posters?" the posters of a boy with an orange shirt and the one to the right of it are four centimetres apart and are wider than half the length of them, but in the next shot, they are two centimetres apart and are as wide as half the length of them. Also, the one to the right of the poster of a boy with an orange shirt has a green background, but in the next shot, it has a green and grey background. (00:02:32)
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)
Continuity mistake: When Brock says, "Yeah, I don't think too many people come this far into the forest, Ash," there is a tree with three branches directly emerging from its trunk, but in the next shot, it has two. (00:05:03)
The Path to the Pokemon League - S1-E8
Continuity mistake: When A.J. says, "Of course, the recipe is secret," his right arm is raised while his left hand is at his side, but in the next shot, his right arm is at his side while his left hand is raised. Also, some of the jars behind him are 75 percent filled and have Pokémon on their labels, but in the next shot, they are filled halfway and do not have Pokémon on their labels. (00:10:45)
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)
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)
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)
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)
Bulbasaur and the Hidden Village - S1-E10
Continuity mistake: When Ash takes out his Pokédex to find facts about Oddish, the end of his right thumb is not over the center part of it, but in the next shot, it is. (00:02:14)
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)
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: Yes it ran away because Layla hurt its feelings.