The Cretaceous Period
24:05
The K-T Mass Extinction
1:10:45
The Paleogene Period
1:00:51
The Cambrian & Ordovician Periods
43:36
How Geologists Discovered and Mapped a Great Seaway
1:19:04
The Quaternary Period
44:58
The Cretaceous-Palaeogene Mass Extinction: What Do We Really Know?
3:00:11
Lord of the Rings | Middle Earth Music & Ambience, 3 Hours
30:55