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* When Ash stands up to the Spearow to protect Pikachu, he incorrectly refers to them "Spearows." The plural of a specific species of Pokémon is the same as the singular.
* As Ash looks at Ho-Oh at the end of the episode, [[Ash's hat|his hat]] points backward as it had since he jumped into the river. As he walks uphill in the next scene, it points forward. When he gets to the top and looks at Viridian City, it points backward again. Lastly, as we see him from behind as he walks toward Viridian, his hat points forward again.