Como Ator/Atriz
Nova
Host
Great Yellowstone Thaw
Himself - Presenter
Prehistoric Worlds
Self - Paleontologist and Director, Smithsonian
24 Hours After: Asteroid Impact
Hvor træerne blokerer for lyset
Eric 'Concerned Ranger' Jones
Ice Age Death Trap
Himself - Denver Museum of Nature & Science
Polar Extremes
Polar Extremes
Host