[[Spanish release date::| ]][[Spanish Sneak Peek date::| ]] Booster R1 is a Japanese Booster Pack in the Yu-Gi-Oh! Official Card Game. It is a Series 2 set, though because it only contains cards originally printed in Series 1, it is often considered a Series 1 set. It was released on June 23, 2000 and reprinted 50 cards from Vol.1, Booster 1, Booster 2, and Starter Box: Theatrical Release.