Shinnosuke and Kiriko investigate a series of power outages that they believe to be caused by the Roidmudes, but it only brings up questions of Mr. Belt's past when Heart himself becomes involved.
| Title | What Happened in Belt's Past? |
|---|---|
| Genres | Action & Adventure Sci-Fi & Fantasy Drama |
| Release Date | 2014-12-14 |
| Episode Runtime | 00 Hours 24 Minutes |
| Season Number | 25 |
| Episode Number | 10 |
| Production Companies | TV Asahi, Toei Company, ADK, Ishimori Production |
