Get 20% off a Lifetime Plex Pass

Enjoy this special deal, this Geek Week only.Learn More

Horizon

Twenty-First Birthday

E8    May 20, 1985    60m    TV-PG
Add Show to Watchlist
Horizon celebrates twenty one years of work, achievement, and awards with a birthday compilation of highlights from past episodes.
Where to Watch Twenty-First Birthday

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices