Formidable Enemy!? Mother Coordinator Enters! - S7-E37
Deliberate mistake: This Pokémon Trainer's Choice segment incorrectly claims that Arbok evolves into Seviper, which isn't true. (00:11:38)
Baneboo's Lost Object!? - S7-E39
Continuity mistake: When Ash tells Corphish to use Bubble Beam after Team Rocket's Pokémon during the first battle, his bag disappears. This also happens when Ash tells Torkoal to dodge Cacnea's Needle Arm. (00:07:52 - 00:19:02)
Hiwamaki City's Feather Carnival!! - S7-E44
Continuity mistake: After the Pokémon Trainer's Choice, Skitty's cream legs turn pink. (00:10:11)
Hiwamaki City's Feather Carnival!! - S7-E44
Continuity mistake: After James gets the false Chimecho, the stripe on it disappears. This also happens when he shows it to Jessie. (00:13:15)
Banana Namakero Park and Kabigon!! - S7-E48
Revealing mistake: When Ash puts his hands on the gate, some of his fingers clip through it. (00:02:27)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Serena meets Jimmy at night, Jimmy's sleeves disappear. This also happens when she tells him to not give up. (00:14:12 - 00:16:44)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Ash, Max, May, and Jimmy ask, "Huh?" the visor on Ash's hat goes from red to black. (00:16:47)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Wartortle starts evolving, the collar on Jimmy's shirt changes from black to green. (00:17:44)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: At the end of the episode, the brown lining on Brock's sleeve turns orange. (00:20:47)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Jimmy notices the Magikarp in his flashback, his bag disappears. In the same shot, the white fin on the Magikarp turns yellow like the rest of its body.
Continuity mistake: When Max says that Spoink's pearl fell into the ocean, the black straps on Brock's bag turn blue like the rest of the bag. (00:05:17)
Huntail and Sakurabyss! The Riddle of Evolution! - S8-E3
Character mistake: The Pokédex entry for Huntail says that it is the evolved form of Clamperl, when it should be an evolved form of Clamperl. This also happens with Gorebyss' entry. (00:02:03)
Huntail and Sakurabyss! The Riddle of Evolution! - S8-E3
Continuity mistake: When Ash says that they saw the kids in the water, the pink collar on Nurse Joy's dress turns white. (00:05:26)
Muscle Battle!? Double Battle!! - S8-E4
Continuity mistake: When Brock says that the workout makes sense, the brown lining on his sleeve turns orange. (00:08:20)
Continuity mistake: When Shelly says that Lance is not a Team Magma member, the gloves on her disguise disappear. (00:08:27)
Continuity mistake: When May and Max look at Lance's Gyarados, its red whiskers turn cream-coloured. (00:13:38)
Continuity mistake: When Lance describes his mission to Ash, the glove on his disguise disappears. (00:16:37)
The Scuffle of Legends - S8-E6
Continuity mistake: When Lance meets up with Ash's friends, the gloves on his disguise disappear. (00:06:39)
The Scuffle of Legends - S8-E6
Continuity mistake: In the second shot of Groudon wading in the water, the tips on Pikachu's ears disappear. (00:14:18)
Fu and Lan! Space Center Battle! - S8-E7
Continuity mistake: When first showing a side view of a hallway on a large screen, when the camera stops moving, there is no window, but in the next shot, one appears. (00:13:58)
Answer: Yes it ran away because Layla hurt its feelings.