Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Damian says, "Just look at 'em," the pile of Poké Balls changes. (00:06:07)
Don't Touch That 'dile - S3-E1
Continuity mistake: When Professor Elm says, "So I suppose you know Professor Samuel Oak,"Misty's and Brock's mouths are open, but in the next shot, they are closed. (00:09:43)
Try to Study! Pokémon Trainer's School! - S6-E15
Continuity mistake: When Ash is first talking with Professor Oak, he does not have his rucksack, but in the next shot, he does. (00:05:25)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Ash says, "I got it," there is no doorbell on Bill's Lighthouse, but in the next shot, there is. (00:07:17)
Revealing mistake: As Ash, Misty, and Tracey are making their way through the crowd, Tracey clips through one of the people in it. (00:05:33)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When the doors to the lighthouse are initially opening, the placement of the Pokémon on them change between shot. (00:08:09)
The Water Flowers of Cerulean City - S1-E7
Continuity mistake: When a person says, "Uh, some burglars broke into that store last night," there is a woman with a yellow shirt and brown hair, and a man with a yellow jacket, but in the next shot, the woman has a blue shirt and orange hair, and the man has a blue and cream jacket. (00:04:29)
Continuity mistake: When Ash, Misty, and Nurse Joy enter the storage room, Nurse Joy's left hand is not behind Ash, but in the next shot, it is. Also, the floor changes from a yellow floor that is not tiled to a green floor that is tiled. (00:14:15)
The Ninja Poke-Showdown - S1-E32
Revealing mistake: When Pikachu turns his head after a Venonat leaves, his left ear clips through Ash. Also, part of Ash's right leg is missing. (00:03:46)
Challenge of the Samurai - S1-E4
Continuity mistake: When Ash goes to get a Poké Ball for the first time, the ball is upside down, but in the next shot, it is upright. Also, behind the same Poké Ball, there is another one, but in the next shot, there is not. (00:03:19)
Continuity mistake: When Lily says, "The water show," her right hand is outstretched, but in the next shot, it is by her right side. (00:03:58)
Bulbasaur and the Hidden Village - S1-E10
Continuity mistake: When the camera begins panning up to Ash and Brock tending to a Staryu, a saucepan appears from nowhere. (00:10:28)
Don't Touch That 'dile - S3-E1
Revealing mistake: When Officer Jenny takes Totodile from Ash's hands, her right hand clips through it and Ash's left hand. (00:17:50)
Continuity mistake: When Professor Oak and Delia are first seen watching Ash's first battle at the Indigo Plateau Conference, Delia has a person to the left of her, and her hands are in her lap, but in the next shot, she does not have a person to the left of her, and her hands are clasped together. Also, she and Professor Oak are smiling, but in the next shot, they are not. (00:11:46)
The Path to the Pokemon League - S1-E8
Revealing mistake: When A.J. and his Sandshrew walk into a tent, A.J. and his whip clip through the tent. (00:07:56)
Continuity mistake: At the beginning, the front of Ash's hat is red, but in the next shot, it is instantly white. (00:01:11)
Electric Shock Showdown - S1-E14
Continuity mistake: When Ash picks up the Thunder Stone, his belt buckle is brown and black, but in the next shot, it is instantly grey and black. (00:11:13)
Continuity mistake: When Oswald begins testing the joystick, there is a button that is green, but in the next shot, it is blue. (00:16:10)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Brock stands up from the stool he is sitting on, his left hand is on the table, but in the next shot, it is not. (00:07:01)
Continuity mistake: When the doors to the Pokémon Center are opening, a frame changes from grey to white between shots. (00:05:09)
Answer: Yes it ran away because Layla hurt its feelings.