Miltank! Revenge Battle!! - S4-E2
Continuity mistake: When Nurse Joy says that on some occasions, Pokémon are not the ones who need to recover after matches, Misty goes from having a gap between her and Ash to not having one. (00:02:13)
Zubat's Mansion! A Dangerous Labyrinth!! - S4-E8
Continuity mistake: When Ash asks, "What is happening in the mansion?" the strap on Misty's bag disappears. (00:02:40)
Zubat's Mansion! A Dangerous Labyrinth!! - S4-E8
Continuity mistake: When Jessie bites into an apple, her glove disappears. (00:06:34)
Zubat's Mansion! A Dangerous Labyrinth!! - S4-E8
Continuity mistake: When Team Rocket hits the doors to the exit, the tips on Meowth's feet disappear. (00:15:50)
Zubat's Mansion! A Dangerous Labyrinth!! - S4-E8
Continuity mistake: After Wobbuffet comes out of his Poké Ball, Ash's black shoes turn white. (00:16:56)
Tsubotsubo vs Madatsubomi - S4-E13
Continuity mistake: When Ash has a hunger pang, the orange stripe on his bag turns cream-coloured. (00:03:14)
Tsubotsubo vs Madatsubomi - S4-E13
Continuity mistake: When Ash uses his Pokédex to find facts on Shuckle, his right index finger and the one below it are near the top of the portion of its screen, but in the next shot, they are near the centre of it. (00:05:12)
Blacky! Battle During a Dark Night!! - S4-E14
Continuity mistake: When Ash gets his Pokédex, the black part on his bag's left strap goes from present to absent and back to present. (00:02:16)
Aim to Be a Metamon Master! Imite - S4-E17
Continuity mistake: At the beginning of the match between Ash and Duplica, Ash's white sleeve turns blue. (00:05:07)
Aim to Be a Metamon Master! Imite - S4-E17
Continuity mistake: At one point during Team Rocket's motto, when James says that Team Rocket came to steal Pokémon, the right glove on his disguise disappears. (00:06:56 - 00:07:20)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When Ash uses his Pokédex, there is an antenna on it, but in the next shot, it disappears. (00:00:18)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When a crowd turns to look at Zachary after the ice sheets have melted, the lumber on the bakery is dark-brown with a three-by-three cupboard with bread in the two top cubicles and the centre cubicle to the left, but in the next shot, the lumber is medium-brown with a two-by-three cupboard, and the bread in the aforementioned cubicles have disappeared along with their plates. (00:13:41)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When the crowd scrutinises, the lumber on the bakery is medium-brown with a beam equidistant from the cupboard and the front window, but when the baker has Zachary look at the destruction at the bakery, the lumber is dark-brown with the beam more aligned to the right. (00:13:48)
Popocco! Grass Pokémon Battle!! - S4-E21
Continuity mistake: When Ash and friends admire the plants in the corner, there is no pot between the two right pots on the bottom shelf of the shelving unit adjacent to the background, but in the last shot inside Ephraim's house, a pot with a plant appears. (00:05:16)
Continuity mistake: When Ash uses his Pokédex, the right half of his jacket's collar goes from white to blue. Also, his right index finger is not past the portion of it with the screen, but in the next shot, it is. Additionally, when Ash uses the Pokédex in "The Grass Route," the portion below the light on it and the border around the screen are grey, but in the latter shot mentioned in this episode, they are red. (00:06:48)
Continuity mistake: When Ash uses his Pokédex in "The Apple Corp!" the border around the screen is red, but when he uses it in this episode, it is grey. (00:00:27)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When Ash uses his Pokédex to find facts on Articuno, his right thumb does not go past the right extension on it, but in next shot, it does. (00:02:31)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When the Pokédex begins giving facts on Articuno, Ash's right thumb goes past the right extension of it, but in the next shot, it no longer goes past. Also, the outer circle for the light on it goes from red to blue. (00:02:36)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When Sophia points to the slope, Todd's blue camera case turns black. (00:11:08)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When Misty says that she and her friends are being attacked by Team Rocket, Ash's belt changes from brown with a grey buckle to grey with a brown buckle. (00:14:23)
Answer: Yes it ran away because Layla hurt its feelings.