PrimeWire

You can now watch the entire Horizon Season 21 Episode 17 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.

Horizon: In this special episode, Horizon brings you a report on space exploration and exploitation. The first half of this episode looks back at the Apollo 11 moon landing, and second the second half looks at the future plans of the space program.