In a medieval Europe setting, Simon, Kamina and Viral infiltrate a castle where Nia is held captive by a Grand Zamboa-like enemy. Viral's wife and Yoko also make appearances.

Viral encounters a pachinko Gunmen, and then unleashes it on Kamina, Yoko and Simon.

A version of the series in an artistically-stylized medieval Japan setting.

In a steampunk wild west theme, Viral is a horse riding hero leading the oppressed beastmen against Kamina, riding Dai-Gurren as a roving bandit.

A nude Gimmy steals articles of clothing from Simon, Kamina and Yoko using kancho.

In a modern-looking alternate setting, humans pilot Lagann and Gurren against Beastmen-like enemies in Gunmen and then team up with other humans against a Dai-Gunmen.

An experimental real world look at the environment of the surface portrayed in the first half of the series, which includes the shadow of a man running and a skull motif, possibly in reference to Kamina's father.

The story of Lordgenome's past, with the first war against the Anti-Spirals, Lordgenome's descent into madness and the rise of the Beastmen.