In Act Zero was a single episode of Pretty Guardian Moon, which told how Minako Aino and Artemis first became a team, and about their first mission to protect Usagi Tsukino from a group of eccentric jewel thieves.

• Bandai Visual
• Ayaka Komatsu
• Miyuu Sawai
• Keiko Han
• Masaya Kikawada
• Keiko Kitagawa
• Mew Azama
• Kappei Yamaguchi
• Jouji Shibue