History of the Earth
S1 · E4 — Where Did Earth's Water Come From?
S1:E4 · Where Did Earth's Water Come From?
27 episodes in this season
How Did The Earth Form?
18 min
What Was Earth Like 4 Billion Years Ago?
22 min
The Mystery of the Late Heavy Bombardment
20 min
Where Did Earth's Water Come From?
32 min
How Did Life Begin?
What Was The Last Common Ancestor of all Life on Earth?
24 min
Were Volcanoes The Key To Life?
21 min
Did Life on Earth Come From Space?
17 min
What Would The Earth Have Been Like Without Life?
What is the Oldest Fossil on Earth?
31 min
How The Earth Got Its Magnetic Field (And Why It Might Not Protect Us Much Longer)
23 min
What Was Earth Like 3 Billion Years Ago?
27 min
How Bad Was The Great Oxidation Event?
How Did Life Recover From The First Mass Extinction?
28 min
What Would The Earth Be Like Without Photosynthesis?
35 min
What Was The First Virus?
What Is The Other 99.99% Of Life?
What Was The Earth Like 2 Billion Years Ago?
A Tour of Earth's Ancient Supercontinents
49 min
A Tour of Earth's Ancient Superoceans
43 min
What Was The "Boring Billion" Really Like?
36 min
What Was The First Complex Life on Earth?
60 min
What Was The Earth Like 1 Billion Years Ago?
What Was The First Fungus?
62 min
Why Did The Earth Totally Freeze For 100 Million Years?
Were These The First Animals?
54 min
How Far Back In Time Could You Have Survived On Earth?
57 min
