As Actor/Actress
Nova
Host
Prehistoric Worlds
Self - Paleontologist and Director, Smithsonian
Great Yellowstone Thaw
Himself - Presenter
Polar Extremes
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
Host