
Continuity mistake: When Team Rocket starts flying with the Ledyba, the tips on Meowth's feet disappear. (00:14:24)

Continuity mistake: When Ash and his friends watch the Ledyba fly away, Misty's bag is on her right shoulder, but in the next shot, it is on her left. (00:10:15)

Continuity mistake: When Ash says that there has to be another way to cross the river, the white stripe on his bag disappears. (00:02:46)

Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Ash and his friends are surprised, Charmeleon starts evolving. The black straps on Brock's bag turn green like his vest. (00:15:44)

Continuity mistake: When Team Rocket blasts off, Arbok's pattern changes from red with yellow centres to yellow with red centres. (00:19:03)
Continuity mistake: When Ash calls out to Pikachu after he disappears, his bag disappears. (00:03:49)

Continuity mistake: When Misty says that she and her friends have to go to Valencia Island, her bag disappears. This also happens at the end of the episode. (00:14:48 - 00:20:53)

Continuity mistake: Right before Tracey says that Ash is heading towards a cliff, Pikachu's tail turns completely yellow. (00:19:13)

Continuity mistake: When Team Rocket is eavesdropping on Ash and his friends, Meowth does not have a lei, but in the next shot, one appears. (00:09:06)

Continuity mistake: When Ash tells Tracey to watch out, the strap on Misty's bag disappears. (00:06:30)

Continuity mistake: When Misty tells Ash that they should take a break, her bag disappears. This also happens when she says that they may be on a deserted island. (00:02:28)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Misty says that she and Brock giving Ash the Badges was a mistake, the purple strap on her bag turns yellow, like her shirt. (00:02:11)

The Path to the Pokemon League - S1-E8
Continuity mistake: When Ash and his friends are standing in front of A.J.'s Gym, Ash's white sleeves turn blue. (00:02:45)
Continuity mistake: When Ash asks what Team Rocket is talking about, pads appear on Meowth's forepaws. (00:13:26)

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)

Continuity mistake: When Misty tells Hoothoot to not give up, her bag disappears. (00:12:03)

Continuity mistake: In several shots, Misty's bag switches from her right shoulder to her left.

The Mandarin Island Miss-match - S2-E18
Continuity mistake: When Ash wins the match in the beginning, Tracey's orange bag turns green like Ash's. (00:01:12)

Continuity mistake: When Misty steps on Tracey, Tracey's blue shoes turn black. (00:02:13)

Continuity mistake: When Tracey wonders why everyone is outside the museum, the black straps on his bag turn orange, like the rest of the bag. (00:05:29)
Answer: There are a lot of fan theories around this, but the most common theme is that Pikachu had another trainer before Prof. Oak, who gave him to Ash. Pikachu didn't appreciate being handed over.
Ssiscool ★