#1 | 09.05.2020Episode 1 (How Did The Earth Form?)
An overview of fractionation, Mara's survival, 'Grand Tack' theory, formation of Mercury, solidifying Earth, and theories surrounding Theia.
#2 | 23.05.2020Episode 2 (What Was Earth Like 4 Billion Years Ago?)
#3 | 07.06.2020Episode 3 (The Mystery of the Late Heavy Bombardment)
#4 | 14.06.2020Episode 4 (Where Did Earth's Water Come From?)
#5 | 04.07.2020Episode 5 (How Did Life Begin?)
#6 | 11.07.2020Episode 6 (What Was The Last Common Ancestor of all Life on Earth?)
#7 | 18.07.2020Episode 7 (Were Volcanoes The Key To Life?)
#8 | 08.08.2020Episode 8 (Did Life on Earth Come From Space?)
#9 | 02.09.2020Episode 9 (What Would The Earth Have Been Like Without Life?)
#10 | 25.09.2020Episode 10 (What is the Oldest Fossil on Earth?)
#11 | 11.10.2020Episode 11 (How The Earth Got Its Magnetic Field (And Why It Might Not Protect Us Much Longer))
#12 | 22.11.2020Episode 12 (What Was Earth Like 3 Billion Years Ago?)
#13 | 20.12.2020Episode 13 (How Bad Was The Great Oxidation Event?)
#14 | 06.01.2021Episode 14 (How Did Life Recover From The First Mass Extinction?)
#15 | 31.01.2021Episode 15 (What Would The Earth Be Like Without Photosynthesis?)
#16 | 24.02.2021Episode 16 (What Was The First Virus?)
#17 | 08.04.2021Episode 17 (What Is The Other 99.99% Of Life?)
#18 | 16.05.2021Episode 18 (What Was The Earth Like 2 Billion Years Ago?)
#19 | 26.06.2021Episode 19 (A Tour of Earth's Ancient Supercontinents)
#20 | 31.07.2021Episode 20 (A Tour of Earth's Ancient Superoceans)
#21 | 17.10.2021Episode 21 (What Was The "Boring Billion" Really Like?)
1.8 to 0.8 Billion Years Ago: Earth's Lost Billion Years
#22 | 30.11.2021Episode 22 (What Was The First Complex Life on Earth?)
#23 | 18.02.2022Episode 23 (What Was The Earth Like 1 Billion Years Ago?)
#24 | 30.05.2022Episode 24 (What Was The First Fungus?)
#25 | 31.08.2022Episode 25 (Why Did The Earth Totally Freeze For 100 Million Years?)
#26 | 14.12.2022Episode 26 (Were These The First Animals?)
#27 | 09.06.2023Episode 27 (How Far Back In Time Could You Have Survived On Earth?)
How Far Back In Time Could You Have Survived On Earth?