What Was Earth Like 3 Billion Years Ago?
26:49
How Bad Was The Great Oxidation Event?
32:11
What Was The Earth Like 2 Billion Years Ago?
21:51
What Was Earth Like 4 Billion Years Ago?
1:08:15
The Earliest Years Of Earth's 4.6 Billion Year History
31:31
Where Did Earth's Water Come From?
42:50
A Tour of Earth's Ancient Superoceans
1:04:27
A Journey to the Earth's Interior
56:39