Jack Hanna Bitten by a Beaver - David Letterman December 1988
David Letterman’s Late Night Animal Guy Was Attacked By an Illegal Beaver
Gila Monster, Baby Beaver & Pixie Frog w/ Jack Hanna
Jack Hanna's long goodbye: How Alzheimer's is stripping away the man the world once knew
The Best of "Jungle" Jack Hanna | Letterman
Unscripted: Jack Hanna regrets 1972 accident
Noodler Bit by Beaver Part 2-Releasing the Beast!
Jack Hanna on Letterman - Ouch!
Jack Hanna Brings a Bald Eagle to #NataliesHouse
The Dog That Tried To Bite Dave's Face Off | Letterman
Jack Hanna Collection on Letterman, Part 9 of 11: 2009-2010
David Letterman scares the shit outta Jack Hanna
Jack Hanna Collection on Letterman, Part 7 of 11: 2003-2005
Jack Hanna Collection on Letterman, Part 10 of 11: 2011-2012
Chris Elliott as Jack Hanna Collection on Letterman, 1986 (st.)
Jack Hanna on Late Night
Jack Hanna Collection on Letterman, Part 11 of 11: 2013-2015
Animal Bloopers with Jack Hanna (1994) (VHS)
Jack Hanna Collection on Letterman, Part 2 of 11: 1987-1988
Baby Cheetah, Giant Tortoise & a Reindeer w/ Jack Hanna