Why can Charizard only know Fly in Pokemon Yellow but in Pokemon Blue/Red Charizard can't learn Fly?

Question

I was checking Charizard's learnset and it says it can only know Fly in Pokemon Yellow. This if for Generation I. Why can't Charizard learn Fly in Pokemon Blue/Red but in Pokemon Yellow it can?

Answer 1

>Charizard was unable to learn Fly through HM02 in Red and Blue. This was changed starting with Yellow, making it possible to still get a Charizard with Fly in the original games by trading one from a later version.

Source: Bulbapedia/ Charizard
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Maybe it was just a mistake on their part. I mean, Red & Blue were their FIRST games. They were bound to make mistakes or simple overlooks.

Comments

Thanks dude, and dude you get lots of BA in one day.

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I know. Lucky day for me i guess. Buty at least my answers are good. i'm not being spammed or anything