Tekkaman is just an average bright boy in his everyday life. However, modern science can turn him into a mighty space warrior. This becomes a reality when aggressive aliens come from space to invade our planet. Armed with a space lance, Tekkaman gallantly goes into action against the grotesque space creatures. During his battles he encounters a mysterious young man from another planet who helps him out whenever he is in danger.

[Source: Absoluteanime]

10 years have passed since the end of the last war against the radam. A new team of Space Knights has been assembled under the lead of Aki and D-boy. The first mission of the new tekkaman is to defeat the radam but then, they have to fight against a remnant from the past.

[Source: Anime News Network]

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.

OVA telling the story of the Aiba family in further detail about Shinya and Takaya's rivalry.

OVA dealing with the events between Tekkaman Blade and Tekkaman Blade II.

Unreleased episode of Tekkaman Blade II included on the Tekkaman Blade BD Box.