The Wild Thornberrys
"The Origin of Donnie"
Season 78-81, Episode 4
The Wild Thornberrys The Origin of Donnie DVD
Cover to the UK DVD release.
Original air date: August 18, 2001
Written by: Joan Considine Johnson (story)
Sheila M. Anthony (teleplay)
Directed by: Carol Millican (Part 1)
Joseph Scott (Part 2)
Dean Criswell (Part 3)
Ron Noble (Part 4)
Episode chronology
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"The Anniversary" "The Trouble with Darwin"
"The Origin of Donnie" is a special four-part episode of The Wild Thornberrys, originally aired as a two-hour movie on August 18, 2001.


Part 1

The Thornberrys are preparing for Donnie's "birthday" party in Borneo when one crisis after another happens. Grandma Sophie decides to visit the same day Nigel and Marianne must capture a wild orangutan on film for the foundation

Part 2

Donnie searches the jungles of Borneo for his ancestry, causing Eliza to worry that he will break ties with the Thornberry clan.

Part 3

A fire breaks out in the forest and Donnie is blamed; can Eliza convince it wasn't Donnie and get the animals to safety? Meanwhile, Marianne and Nigel find shelter in a cave nearby, only to get lost inside, and Debbie and Sophie help the village put out the fire, while learning about Donnie's real parents.

Part 4

The rest of the fire is put out by rain, the others are reunited and Donnie is found. The family believe he is going back to his parents, but they soon realize the truth.

Home video releases

  • The Wild Thornberrys: Season 4
  • The Wild Thornberrys: The Final Seasons
  • The Wild Thornberrys: The Complete Series

"Gee, this is harder than I thought."
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