Theatre Episodes Featuring Riko and Rina
- 14 Oct 2020: I Want to Play It
Idols: Riko, Rina
- 10 Jun 2021: Secret Special Training
Idols: Riko, Rina
- 5 Dec 2022: Secret Present
Idols: Riko, Rina
- 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