Air date: March 31, 2007

Facing an emergence of a huge mechanical monster, the Self Defence Police forms the White Herons Unit, with the purpose of supporting and monitoring Reideen and its pilot Junki. But when the Self Defense Police asks for Junki's collaboration, the boy hesitates.
Then another gigantic mecha monster, Poson, makes its appearence. Self Defence Police' mechs, the Jinrai (Thunderbolt), counterattack and apparently break Poson apart. But as Reideen emerges, the monster begins to move again...

Script: Kuniaki Kasahara
Storyboard: Shigeru Ueda
Director: Shigeru Ueda
Animation Director: Naoyoshi Shiotani