professor oak

Professor Oak Needs to Do More Research

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Now is Not the Time to Use That!

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Oh Gramps

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The Mysterious Past of Professor Oak

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Ancient Pokémon

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Dirty Professor Oak

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The Real Reason Oak Only Has Three Pokémon...

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Bulbasaur is Worthless After Misty, Anyways

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This is Not the Time and Place for That!

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Get With the Times Already

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Pokébooks: The Professor

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No Wonder She Wanted Me Out of the House

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Mama, I Just Killed a Professor

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Professor Oak is Blasting Off at the Speed of Light

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Oak Doesn't Have a Preference

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Oak's Pokémon Rush

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