Theatre Episodes Featuring Mari and Nico
- 15 Sep 2020: A Befitting Stage!
Idols: Mari, Nico
- 7 Jul 2021: Daily Dedication
Idols: Mari, Nico
- 22 Jul 2022: Happy Birthday, Nicocchi!
Idols: Mari, Nico
- 31 Oct 2022: Happy Halloween!
Idols: Mari, Nico
- 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