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.
Lacey Chabert
Eliza Thornberry (voice)
Jodi Carlisle
Marianne Thornberry (voice)
Tim Curry
Nigel Thornberry (voice)
Flea
Donald 'Donnie' Michael Thornberry (voice)
Danielle Harris
Debbie Thornberry (voice)
Tom Kane
Darwin (voice)
Betty White
Grandma Sophie (voice)
Alan Henry Brown
Sri Mayasandra (voice)
Arthur Burghardt
Rhino / Monkey (voice)
Cara DeLizia
Baru / Monkey (voice)
Moira Quirk
Rehabilitation Worker / Monkey (voice)
Dwight Schultz
Badouk / Monkey / Poacher (voice)
