Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
| Title | 1972 |
|---|---|
| Genres | Documentary |
| Air Date | 1972-01-03 |
| Episode Runtime | 01 Hours 00 Minutes |
| Season Number | 9 |
| Episode Count On Season 9 | 33 |
| Production Companies | Unknown |
