Continuity mistake: When Ash, Misty, and Brock turn to Woodruff after he says for Ash to wait, Ash's right glove goes from covering his thumb to not covering it. (00:02:23)
Continuity mistake: When Ash turns after he wonders how the Heracross will help the Butterfree, the marks on his cheeks go from being present to being absent and then back to present. (00:03:02)
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 ★