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Secrets of the UniverseSeason 1, Episode 9, "The Mysterious Birth of the Moon", airs
Secrets of the UniverseSeason 1, Episode 8, "Search for the Edge of the Universe", airs
Facing Forces of NatureSeason 1, Episode 1, "Asteroids", airs
Facing Forces of NatureSeason 1, Episode 2, "Tornadoes", airs
Facing Forces of NatureSeason 1, Episode 3, "Volcanoes", airs
Facing Forces of NatureSeason 1, Episode 4, "Melting Ice", airs
LiveFacing Forces of NatureSeason 1, Episode 5, "Rise of the Sea Level", airs
"Polar World", airs
Exploring VenusSeason 1, Episode 1, "Cloud Cities of Venus", airs
Exploring VenusSeason 1, Episode 3, "Venus: Doing Science In Hell", airs
Destruction DecodedSeason 1, Episode 4, "Earthquakes", airs
Destruction DecodedSeason 1, Episode 5, "Volcanoes", airs
Destruction DecodedSeason 1, Episode 6, "Tornadoes", airs
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