Poster of Cast and Crew in Horizon - Season 43 - Episode 19 - We are the Aliens

Horizon - Season 43 - We are the Aliens (Episode 19)

Plot: Clouds of alien life forms are sweeping through outer space and infecting planets with life – it may not be as far-fetched as it sounds. The idea that life on Earth came from another planet has been around as a modern scientific theory since the 1960s when it was proposed by Fred Hoyle and Chandra Wickramasinghe
Episode Aired On:
Tuesday, November 14 2006
18 years ago