Imposter Professor Oak (Base Set 73)

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Imposter Professor Oak
にせオーキドはかせ False Doctor Okido
Illus. Ken Sugimori
English expansion Base Set
Rarity Rare
English card no. 73/102
Japanese expansion Expansion Pack
Japanese Rarity Rare
Expansion Base Set 2
Rarity Rare
English card no. 102/130
Card GB set Laboratory
Card GB ID D44
Card GB 2 set Psychic Battle
Card GB 2 ID D52

Imposter Professor Oak (spelled as Impostor Professor Oak in Base Set's 1st Edition and Shadowless prints) (Japanese: にせオーキドはかせ False Doctor Okido) is a Trainer card. It was first released as part of the Base Set.

Card text

All prints
AceSpec.png You can't have more than 1 ACE SPEC card in your deck.
Team Plasma
Team Plasma
AceSpec.png You can't have more than 1 ACE SPEC card in your deck.
Team Flare TCG logo.png FLARE
You can't have more than 1 Prism Star card with the same name in your deck. If a Prism Star card would go to the discard pile, put it in the Lost Zone instead.
Your opponent shuffles his or her hand into his or her deck, then draws 7 cards.
Do Nothing  
At the beginning of your turn, flip a coin. If heads, you can do nothing during your turn. If tails, your opponent can do nothing during his or her next turn.

Release information

This card was included in the Base Set, first released in the Japanese Expansion Pack. It was reprinted in the Base Set 2 expansion.


  • When this card was first released during the 1st Edition print run of the Base Set, the name was spelled as Impostor Professor Oak. This spelling of the name persisted through the Shadowless print run, and was only afterward changed to Imposter for the Unlimited print run. Imposter was then used for Base Set's 4th print, and the reprint in Base Set 2.
  • The Impostor Professor Oak character has appeared in other Pokémon media, such as How I Became a Pokémon Card and Pokémon Adventures. He has also been featured on other cards.
  • In Pokémon Adventures, Sabrina had her Kadabra disguise itself as Professor Oak. The transformation looks extremely similar to this artwork.


Imposter Professor Oak is based on Professor Oak, a character in the Pokémon games. In particular, this card is based on the Professor Oak card, the two having inverted effects.

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