8.6分

北美大地

演员

饰：Himself - Geologist: Yellowstone NP

2013-05-19(美国)

8.4分

地球的起源 第一季

演员

饰：Geologist, Yellowstone National Park

2009-02-10(美国)

7.1分

Secret Yellowstone

演员

饰：Himself - Yellowstone Park Geologist

2007-04(美国)

Supervolcano: The Truth About Yellowstone

演员

饰：Himself - Co-ordinating Scientist, Yellowstone National Park

2005-03-13(英国)