Getter Robo: Armageddon doesn't care if you follow the plot, it exists to watch the world end in the most violent, beautiful way possible. The animation is so relentlessly kinetic that even when the story fractures mid-series, your eyes stay locked to what's happening on screen. This is pure spectacle built on escalation: every episode ends higher than the last, every setpiece more catastrophic, until the thing that's supposed to save humanity becomes the thing that destroys it. The story is a mess, genuinely incoherent in stretches, but that's almost the point, you're watching a series that chose visual devastation over narrative coherence, and won. For mecha fans who want to feel the weight of something falling apart, this is required viewing.

Ryoma Nagare sits in jail, accused of killing Dr. Saotome, the man who built Getter Robo. When Saotome comes back from the dead and menaces the world with his ultimate creation, the Shin Dragon, Ryoma reluctantly rejoins his former co-pilots Hayato Jin and Musashi Tomoe. They also face the Invaders, aliens who can possess people and twist their flesh into monstrous forms. The pilots fail to stop a nuclear warhead from striking the Shin Dragon, and the resulting Getter Ray contamination kills 99 percent of the world's people. Thirteen years later, humanity is still fighting the Invaders to survive. Shin Getter rises from the ruins of the blast, piloted by the artificial human Go. Backed by what is left of the Japanese military and joined by co-pilots Kei and Gai, Go sets out to wipe out the Invaders for good. The OVA blends giant robot action with horror and science fiction.