The Wild Thornberrys: The Origin of Donnie

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.

• Joseph ScottDirector
• Carol MillicanDirector
• Dean CriswellDirector
• Sheila M. AnthonyWriter
• Joan Considine JohnsonWriter
• Ron NobleDirector

• Lacey ChabertEliza Thornberry (voice)
• Jodi CarlisleMarianne Thornberry (voice)
• Tim CurryNigel Thornberry (voice)
• FleaDonald 'Donnie' Michael Thornberry (voice)
• Danielle HarrisDebbie Thornberry (voice)
• Tom KaneDarwin (voice)
• Betty WhiteGrandma Sophie (voice)
• Alan Henry BrownSri Mayasandra (voice)
• Arthur BurghardtRhino / Monkey (voice)
• Cara DeLiziaBaru / Monkey (voice)
• Moira QuirkRehabilitation Worker / Monkey (voice)
• Dwight SchultzBadouk / Monkey / Poacher (voice)