Ep. 4: Dark Cherry considers the possibility of winning idol battles through actual singing performances
Aired on October 26, 2016

Dark Cherry experiences a sudden realization that they might be able to win their idol battles by actually singing. However, attempting to put this new strategy into practice proves to be more difficult than initially anticipated. The group finds that executing this approach is not as straightforward as the idea might suggest, leading to challenges in their performance.
Episodes
- Ep. 1 · The Crane Game Girls return to defend Earth against Dark Gorilla's new idols
- Ep. 2 · The Earth invasion idols face trouble while Lumie and Hikaru try to reach Rei.
- Ep. 3 · Earth Defense Idols and Dark Cherry engage in a battle of introduction speeches.
- Ep. 4 · Dark Cherry considers the possibility of winning idol battles through actual singing performances
- Ep. 5 · Tokiko recalls high school memories to understand the reasons behind Saya's betrayal
- Ep. 6 · Earth invasion idols investigate Crane Game Girls for potential secrets
- Ep. 7 · Dark Cherry members quit idol careers to pursue new paths in the real world
- Ep. 8 · Crane Game Girls Seek to Recruit Dark Cherry Nuns as New Idols