Continuity mistake: When first showing a clock, the edge of the roof is medium-brown, but in the next shot, it is dark-brown. (00:06:42)
Continuity mistake: When Professor Oak is raising his right arm for the first time, his right sleeve intermittently goes from having two buttons to having one. (00:09:19)
Continuity mistake: When Jessie says, "Guess we woke up this sleepy dump," she has lipstick on, but the next shot shows her immediately having no lipstick. (00:12:22)
Continuity mistake: When Ash asks what Team Rocket is talking about, pads appear on Meowth's forepaws. (00:13:26)
Continuity mistake: When Nurse Joy says that it is not necessary for Team Rocket to be at the Pokémon Center, James', Jessie's, Meowth's, Ekans', and the stairs' positions change. Also, the way Ekans is curled up changes. Additionally, Jessie's right earring goes from being present to being absent. (00:13:44)
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)
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)
Continuity mistake: In the previous episode, when Ash throws the Poké Ball, he says, "Poké Ball, go." However, in this episode, he says, "Caterpie, you're mine!" instead. In addition, in the previous episode, he had his bag on, but in this episode, it is missing. (00:01:17)
Continuity mistake: When Misty says, "Great, just keep it away from me, will ya?" the Poké Ball Ash is holding has one ring on it, but in the next shot it has two. (00:02:42)
Continuity mistake: When Ash says, "Isn't it cute?" the strip on his left shoe to the left of the shoelaces there is white, but in the next shot, it is black. (00:04:12)
Continuity mistake: When Jessie says that Team Rocket is here to steal Pikachu, the tip on Meowth's tail disappears. (00:13:18)
Continuity mistake: When Ash sends out Pidgeotto and Caterpie, Ekans' yellow underbelly turns purple. (00:15:24 - 00:17:01)
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)
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)
Showdown in Pewter City - S1-E5
Continuity mistake: When Ash and Misty turn to Flint at the Pokémon Center, the left strap on Ash's rucksack is blue while the part of his jacket to left of it excluding the sleeve is green, but in the next shot, the strap is green while the part of his jacket is blue. (00:03:55)
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 one of Brock's sisters says, "I tore my skirt!" there are no cubicles, but in the next shot, there are. (00:08:59)
Showdown in Pewter City - S1-E5
Continuity mistake: When Ash says, "That's a great idea!" Flint's right arm is turned towards his right side, but in the next shot, it is turned forward. (00:10:12)
Clefairy and the Moon Stone - S1-E6
Continuity mistake: When Zubat is hit by Koffing, the back of its wings changes from blue to purple. (00:08:36)
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)
