代表作
Ice Age Death Trap
2012 · Himself - Denver Museum of Nature & Science
史前世界
2020 · Self - Paleontologist and Director, Smithsonian
新星
1974 · Host
春醒黄石
2017 · Himself - Presenter
Hvor træerne blokerer for lyset
2020 · Eric 'Concerned Ranger' Jones
Polar Extremes
2020 · Host
24 Hours After: Asteroid Impact
2009
Polar Extremes
2020