Continuity mistake: When Ash, Misty, and Brock are talking while they follow Pikachu, the button on Misty's shorts goes from blue to yellow constantly. (00:02:29)
Other mistake: When the camera pans across the Pikachu when they are surprised, one of them is missing its cheek pouches while another is missing its left one. (00:03:06)
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)
Revealing mistake: When Ash goes to save the Pikachu in the river, he clips through his and Misty's bags. (00:05:25)
The Battling Eevee Brothers - S1-E38
Continuity mistake: When Ash and friends turn to Pikachu after he notices something, Ash's right sleeve goes from not covering the right strap of his bag to covering it. (00:01:17)
The Battling Eevee Brothers - S1-E38
Revealing mistake: When Rainer says that he used Pokémon Friend to plan the party, Jolteon is misplaced over a woman and Rainer. (00:07:25)
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)
The Battling Eevee Brothers - S1-E38
Continuity mistake: When Pikachu and Eevee are first talking, the beam closest to the screen is smaller than the others, but in the next shot, it is larger. Also, there is a tree to the left of Pikachu, but in the next shot, there is not. Additionally, Pikachu is next to the plate of food while Eevee is one centimetre away from it, but in the next shot, he is two centimetres away from it while Eevee is three centimetres away. (00:09:48)
The Battling Eevee Brothers - S1-E38
Continuity mistake: When Sparky asks, "Have you decided on Eevee's Evolution yet?" Misty's left thumb is on the front of the bench, but in the next shot, it is not. Also, there is a drink on the right support of the bench, but in the next shot, it is on its beams. (00:10:16)
Continuity mistake: When Ash is surprised after the hippie tells him and his friends to leave, one of Pikachu's cheek pouches disappears. (00:02:34)
Continuity mistake: In the shot after the title card, Ash's bag disappears. (00:02:42)
Continuity mistake: When Ash requests a baker, the basket further away from the screen has its left strap facing diagonally up, but in the next shot, it is facing vertically. (00:03:45)
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)
Continuity mistake: When Ash first uses his Pokédex, the top two fingers on the left side are together, but in the next shot, the bottom two fingers on the side are together. (00:07:35)
Continuity mistake: When Ash first uses his Pokédex to learn facts on Snorlax, his right index finger is aligned with another one, but in the next shot, it is not. Also, his right ring finger is not aligned with another one, but in the next shot, it is. (00:07:40)
Showdown at Dark City - S1-E40
Revealing mistake: When Ash apologises to the young boys, one of the boys' left arm is disconnected from his body. (00:02:09)
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)
Showdown at Dark City - S1-E40
Revealing mistake: When the Yas Gym underlings send out their Pokémon to attack Ash, the Poké Balls disappear into thin air. (00:09:51)
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)
The March of the Exeggutor Squad - S1-E41
Revealing mistake: When Misty tells Melvin to be careful, her left arm passes through the stage. (00:05:13)
Answer: Yes it ran away because Layla hurt its feelings.