Twin Blood is an alternate version of Blade and Evil's first battle, with drastically different character and mecha designs from the rest of the series. Blade/D-Boy does not need Pegas to transform and the armor more closely resembles the Radam humanoids from Tekkaman Blade II.

Arslan Senki (TV): Dakkan no Yaiba retells the events of the series' first 13 episodes, summarizing the events that transpired from Arslan's escape with Daryun, to their time in the Peshawar Citadel.

Following the suicide of her best and only friend, Koito Nagase, Ai Ooto is left grappling with her new reality. With nothing left to live for, she follows the instructions of a mysterious entity and gets roped into purchasing an egg, or specifically, a Wonder Egg. Upon breaking the egg in a world that materializes during her sleep, Ai is tasked with saving people from the adversities that come their way. In doing so, she believes that she has moved one step closer to saving her best friend. With this dangerous yet tempting opportunity in the palms of her hands, Ai enters a place where she must recognize the relationship between other people's demons and her own. As past trauma, unforgettable regrets, and innate fears hatch in the bizarre world of Wonder Egg Priority, a young girl discovers the different inner struggles tormenting humankind and rescues them from their worst fears. [Written by MAL Rewrite]

The third, Missing Link, deals with the events between Tekkaman Blade and Tekkaman Blade II.