Donnie goes missing and the rest of the Thornberry family have various adventures (broken bones, getting lost in a cave, and a forest fire) while looking for him. It has been screened as a TV movie and as four episodes in season 4 of the TV series.
The Wild Thornberrys: The Origin of Donnie (2001) is currently not available on any services.
Lacey Chabert , Jodi Carlisle , Tim Curry , Flea , Danielle Harris , Tom Kane
Carol Millican, Joseph Scott, Ron Noble
Klasky-Csupo
