PrimeWire

You can now watch the entire Ultraman Season 1 Episode 21 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

After sightings of a monster in Lake Kitayama, the SSSP investigates. Professor Nakayama, secretly grew the beast which now dwells at the lake's bottom. In a stunning turn of events, it is discovered that the doctor is not who he claims to be. He threatens to feed Kubo and Ide to his monster, but is instead trampled by his own creation. Ultraman defeats the monster with Ultra Slash.