| Gym Challenge|
|Cards in set:||98 132|
Gym Challenge (Japanese: ジム拡張第2弾 闇からの挑戦 Gym Booster 2: Challenge from the Darkness), the sixth (Japanese)/seventh (English) TCG expansion set of the Original series. It was released on 25 June 1999 in Japanese and 16 October 2000 in English. This expansion set contains 98 cards in Japanese and 132 cards in English.