Kirk Johnson

Walrus: Life on Thin Ice

🎭 Self - Presenter

Ice Age Footprints

🎭 Self - Host

Hvor træerne blokerer for lyset

🎭 Eric 'Concerned Ranger' Jones

Polar Extremes

🎭 Self - Host

Polar Extremes

Prehistoric Worlds

🎭 Self - Paleontologist and Director, Smithsonian

Great Yellowstone Thaw

🎭 Himself - Presenter

Making North America

🎭 Self - Host

Ice Age Death Trap

🎭 Himself - Denver Museum of Nature & Science

24 Hours After: Asteroid Impact

NOVA

🎭 Host