Name: Ishi ni Modotta Zoisite [Zoisite Turned Back into a Stone]
Original Air Date: August 14, 2004
Director: Nobuhiro Suzumura
Writer: Yasuko Kobayashi

Important Plot Points:

Minako Aino first uses her Karaoke Crown Passport

Zoisite dies (returns to his stone form) and is not revived again during the regular series