Battle Aboard the St. Anne - S1-E15
Continuity mistake: When Ash is impressed on seeing the inside of the cruise, his bag disappears. (00:05:57)
Mystery at the Lighthouse - S1-E13
Continuity mistake: During the motto, James' purple belt turns white in one shot, and shortly after, Meowth's cream forepaws turn orange. (00:11:38)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Misty says that the lighthouse will probably have extra beds, her suspenders disappear, while the purple strap on her bag turns red like them. (00:06:49)
Mystery at the Lighthouse - S1-E13
Continuity mistake: After Krabby's Poké Ball disappears, the white stripe on Ash's bag turns orange. (00:05:05)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Team Rocket is sneaking around the Gym while inside a ball, Meowth's cream forepaws turn orange. (00:12:44)
The Path to the Pokemon League - S1-E8
Character mistake: In the English dub, when Ash says that Sandshrew are weakened by water, he incorrectly refers to them as "Sandshrews." The plural of a Pokémon is the same as the singular. (00:09:05)
The Path to the Pokemon League - S1-E8
Revealing mistake: When Ash and his friends turn to A.J., Ash's left hand passes through Brock. (00:03:00)
The Water Flowers of Cerulean City - S1-E7
Character mistake: Lily and Daisy say that Misty wants to become a Pokémon Trainer. However, she is already a Pokémon Trainer. Her true goal is to become a Water-type Pokémon Master. (00:11:30)
The Water Flowers of Cerulean City - S1-E7
Audio problem: When Misty jumps from the stands, she speaks, but her mouth does not move. (00:10:40)
The Water Flowers of Cerulean City - S1-E7
Audio problem: When Ash tells Brock to follow him, his mouth does not move. (00:02:43)
Showdown in Pewter City - S1-E5
Continuity mistake: When Flint tells Ash to come with him, Ash's gloves disappear. (00:08:15)
Showdown in Pewter City - S1-E5
Continuity mistake: When Team Rocket is wondering where the trap is, Jessie's right glove changes from black to skin-colour. (00:01:46)
Continuity mistake: When the power goes out in the Pokémon Centre, Nurse Joy's pink dress turns white, while her white apron turns pink. (00:14:21)
Revealing mistake: When Team Rocket first appears in the Pokémon Center, they are slightly transparent, and the background can be seen through them. (00:13:00)
Continuity mistake: In the English dub, when Ash and Pikachu smile after Squirtle jumps into the former's arms, the mountains in the background shrink in size from the last shot. (00:00:51)
Protecting the Egg! The Life Born in a Storm! - S5-E49
Other mistake: When showing Team Rocket from the front after Ash is first seen using his shirt to help hatch the Egg, Meowth's charm has six lines instead of four. (00:01:53)
Kalos, Where Dreams and Adventures Begin! - S17-E1
Continuity mistake: When a Fletchling lands at a kitchen window's wooden slat, the slat is one centimetre past the window, but in the next shot, it is four centimetres past. (00:00:08)
Pupurin Twins vs Purin! Singing Pokémon Concert! - S5-E34
Continuity mistake: When the camera pans up as the Pokédex is giving facts on Igglybuff, Brittany is behind the Igglybuff twins, but in the next shot, she disappears. (00:02:27)
Pupurin Twins vs Purin! Singing Pokémon Concert! - S5-E34
Continuity mistake: When Ash uses his Pokédex, his right index finger is not in front of the end of his right thumb from the left, but in the next shot, it is. (00:02:20)
Team Rocket and Delibird! - S5-E22
Continuity mistake: When Ash uses his Pokédex, the border around the screen and the portion below the light are grey, but in the next shot, they are red. (00:15:22)
Answer: Yes it ran away because Layla hurt its feelings.