Season 1
(2020)Episodes 27
1 How Did The Earth Form?
May 9, 2020
18m
An overview of fractionation, Mara's survival, 'Grand Tack' theory, formation of Mercury, solidifying Earth, and theories surrounding Theia.
2 What Was Earth Like 4 Billion Years Ago?
May 23, 2020
22m
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3 The Mystery of the Late Heavy Bombardment
June 7, 2020
20m
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4 Where Did Earth's Water Come From?
June 14, 2020
32m
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5 How Did Life Begin?
July 4, 2020
22m
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6 What Was The Last Common Ancestor of all Life on Earth?
July 11, 2020
24m
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7 Were Volcanoes The Key To Life?
July 18, 2020
21m
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8 Did Life on Earth Come From Space?
August 8, 2020
17m
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9 What Would The Earth Have Been Like Without Life?
September 2, 2020
21m
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10 What is the Oldest Fossil on Earth?
September 25, 2020
31m
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11 How The Earth Got Its Magnetic Field (And Why It Might Not Protect Us Much Longer)
October 11, 2020
23m
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12 What Was Earth Like 3 Billion Years Ago?
November 22, 2020
27m
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13 How Bad Was The Great Oxidation Event?
December 20, 2020
27m
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14 How Did Life Recover From The First Mass Extinction?
January 6, 2021
28m
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15 What Would The Earth Be Like Without Photosynthesis?
January 31, 2021
35m
World Without Photosynthesis
16 What Was The First Virus?
February 24, 2021
27m
Older Than Life? Evolution of Viruses
17 What Is The Other 99.99% Of Life?
April 8, 2021
32m
4 Billion Years of Life: Tour of the Biosphere
18 What Was The Earth Like 2 Billion Years Ago?
May 16, 2021
32m
2 Billion Years Ago: After The Great Flood
19 A Tour of Earth's Ancient Supercontinents
June 26, 2021
49m
Before Pangaea
20 A Tour of Earth's Ancient Superoceans
July 31, 2021
43m
Exploring Earth's Prehistoric All Sea
21 What Was The "Boring Billion" Really Like?
October 17, 2021
36m
1.8 to 0.8 Billion Years Ago: Earth's Lost Billion Years
22 What Was The First Complex Life on Earth?
November 30, 2021
1h
Earth's Impossible Fossils
23 What Was The Earth Like 1 Billion Years Ago?
February 18, 2022
43m
One Billion Years Ago: Is This Eden?
24 What Was The First Fungus?
May 30, 2022
1h 2m
The Key to Life? Evolution of Fungi
25 Why Did The Earth Totally Freeze For 100 Million Years?
August 31, 2022
49m
Snowball Earth
26 Were These The First Animals?
December 14, 2022
54m
The Ediacaran: Life's Failed Experiment?
27 How Far Back In Time Could You Have Survived On Earth?
June 9, 2023
57m
How Far Back In Time Could You Have Survived On Earth?
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