Известность: Acting
Walrus: Life on Thin Ice
Self - Presenter
Ice Age Footprints
Self - Host
Polar Extremes
Hvor træerne blokerer for lyset
Eric 'Concerned Ranger' Jones
Доисторические миры
Self - Paleontologist and Director, Smithsonian
Great Yellowstone Thaw
Himself - Presenter
Making North America
Ice Age Death Trap
Himself - Denver Museum of Nature & Science
24 Hours After: Asteroid Impact
Новая звезда
Host
