The Wild Thornberrys: The Origin of Donnie
The Wild Thornberrys: The Origin of Donnie is not streaming on a US subscription app right now, as of October 5, 2026.
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.
Where to watch
Not currently available for streaming in the US.
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