Horizon

tv show

1170 total episodes

61 seasons

First Aired February 04, 1964

Genres:

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

The Billion-Dollar Marsh poster unavailable

Season 9 - Episode 27 - 1h 0m

November 09, 1972

This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.