| Gym Heroes|
|Cards in set:||96 132|
Gym Heroes (Japanese: ジム拡張第1弾 リーダーズスタジアム Gym Booster 1: Leaders' Stadium), the fifth (Japanese)/sixth (English) TCG expansion set of the Original series. It was released on 24 October 1998 in Japanese and 14 August 2000 in English. This expansion set contains 96 cards in Japanese and 132 cards in English.