On Hulu.
Here is "Power Up!" (Season 1, Episode 1 - 20:10) (Dr. O'Shay uses all of the city's power to activate Astro, but his plan backfires when the robotic power-controller Magnamite turns into a menace. Astro must use his powers to save the city.)
There are 49 additional episodes to watch.
Enjoy!
(See link to episodes of "Johnny Sokko and His Flying Robot" in the preceding post.)
