Airmd vs Hinoarashi! Wings of Steel!! - S3-E36
Continuity mistake: When Brock says that Growlithe must have lost a challenging match, part of his top right pocket is visible past his right strap, but in the next shot, it is not. Also, his left strap is closer his left sleeve, but in the next shot, it is closer his collar. Additionally, there is a crease on the right side of his vest, but in the next shot, there is not. (00:01:26)
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 ★