Looks like you've just binge-watched the "Transmission" and "Activation" chapters of a classic anime series, "Grendizer"! That's not the case, it seems you were actually watching "Dairugger XV" or more specifically, "伝説巨神イデオン" , also known as Legendary Giant Idecion. The video link you provided is for the Activation chapter of this anime.

It sounds like you're really enjoying it and are hooked despite (or because of?) watching it all in one go! The excitement and enthusiasm in your message are contagious!

For those who might not be familiar, "Dairugger XV" was a popular Japanese anime series from the 1980s that followed the adventures of a giant humanoid robot. It was known for its action-packed storyline, memorable characters, and epic battles. The series gained a significant following in Japan and around the world.

If you're enjoying this classic anime, you might be interested to know that there are other chapters or episodes available to watch as well. You could also explore other mecha anime series from the same era for more nostalgic fun!

What do you think of the story so far? Are you a fan of mecha anime in general?