Theatre Episodes Featuring Mari and Kasumi
- 10 Apr 2020: No Problem
Idols: Kasumi, Mari
- 28 Jul 2020: Kasumin’s Perfect Plan : Day 6
Idols: Dia, Emma, Kasumi, Mari, Nozomi
- 25 Mar 2021: Morning Yoga on the Beach♡
Idols: Kasumi, Mari
- 23 Jun 2023: MOVIE TIME!
Idols: Hanamaru, Kasumi, Mari, Mia, Nozomi, Rin
- 25 Jun 2023: Until the Last Minute!
Idols: Dia, Honoka, Kanan, Kasumi, Kotori, Mari, Rina, Shioriko, Shizuku, Umi
- 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