Season
Season 8 Episode
- Season 7 Episode 1
- Season 7 Episode 2
- Season 7 Episode 3
- Season 7 Episode 4
- Season 7 Episode 5
- Season 7 Episode 6
- Season 7 Episode 7
- Season 7 Episode 10
- Season 7 Episode 12
- Season 7 Episode 13
- Season 7 Episode 14
- Season 7 Episode 15
- Season 7 Episode 17
- Season 7 Episode 18
- Season 7 Episode 19
- Season 7 Episode 20
- Season 7 Episode 21
- Season 7 Episode 24
- Season 7 Episode 25
- Season 7 Episode 26
- Season 7 Episode 27
- Season 7 Episode 28
Superscience - Season 7 Episode 7 Expedition Apocalypse
7.70 60 minutes The famous explosion that took place in Siberia early in the 20th century, known as the Tunguska Event, obliterated everything within thousands of square miles. It was so intense that the skies of Europe were lit for several nights. The debate continues over its cause: meteor, comet, or volcanic gasses?
