Episode Title:
Cheer! Yeah!x2, Let Your Dreams Blossom!.
Episode Description:
While writing their lyrics, Team C meet a girl named Yumemi, who asks to train as their apprentice to become a Prism Star, when in reality, she wants to be an astronomist. Mia makes a bet with her to pursue her dreams actively by challenging Aira to a duel. Team C writes their lyrics based on the concept of finding their dreams and name their group "Cosmos". Cosmos wins the duel.
