Theatre Episodes Featuring Mari and Emma
- 28 Jul 2020: Kasumin’s Perfect Plan : Day 6
Idols: Dia, Emma, Kasumi, Mari, Nozomi
- 30 Sep 2020: Dear You - Part 9
Idols: Emma, Hanayo, Mari
- 28 Feb 2021: We've Been Waiting, AZALEA!
Idols: Emma, Mari
- 24 Mar 2022: Nostalgic Environment
Idols: Emma, Mari
- 30 Jun 2023: Off We Go!
Idols: Ai, Ayumu, Chika, Dia, Eli, Emma, Hanamaru, Hanayo, Honoka, Kanan, Kanata, Karin, Kasumi, Kotori, Lanzhu, Maki, Mari, Mia, Nico, Nozomi, Riko, Rina, Rin, Ruby, Setsuna, Shioriko, Shizuku, Umi, Yoshiko, You