Director
Lance Lewman
Narrator
Kirk Johnson
Himself - Denver Museum of Nature & Science
Daniel Fisher
Himself - University of Michigan
Ian Miller
Joseph Sertich
Himself - Vertebrate Paleontologist
2019
2023
Eugene Schweig
Himself - United States Geological Survey
Richard Stucky
2025
1996
2007
2011
2017
2022
1966
1970
2005
2014
1995
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