Kamen Rider Series: Season 31, Episode 11

31 - 11: 乱れる雷、広がる暗雲。

Touma and the others are shocked to discover that Calibur is Daichi Kamijo, the previous Kamen Rider Saber while Kento is in distress over not knowing his father's whereabouts. Meanwhile, the Megids strike again and Daichi appears with a new power that makes him a bigger threat