The New Adventures of The Wild Thornberrys: Gorillas In the Streets

When Pets own Pets is the seventeenth episode of the first season of The New Adventures of The Wild Thornberrys.

Summary
Eliza, Darwin, and Irwin are in a Gorilla breeding compound outside Los Angeles where they meet a gorilla named Katie who can communicate in sign language. She even has a pet kitten. Yes, a pet kitten! But somehow he's gone missing. So Eliza, Darwin, and Irwin agree to help find Kate's pet kitten Oliver.

Main Cast

 * Lacey Chabert as Eliza Thornberry
 * Tom Kane as Darwin
 * Jason David Frank as Irwin
 * Flea as Donnie
 * Danielle Harris as Debbie Thornberry
 * Tim Curry as Nigel Thornberry
 * Jodi Carlisle as Marianne Thornberry

Guest Stars

 * Ben Stiller as Matt Rainsford: A Biologist current
 * Alex Borstein as Kate: A huge but good-natured gorilla. She was living under the supervision of Matt who was trying to prove how intelligent gorillas really are.
 * Jackson Nicoll as Oliver: A little kitten and Katie's best friend.
 * Mel Brooks as Bulk: A tough, scarred stray doberman and the main antagonist.

Animals Featured in this Episode

 * Mountain Gorilla
 * Pigeon
 * Domestic Cat
 * Chimpanzee
 * Doberman

Trivia

 * Katie and Oliver are based off on the gorilla Koko (who been taught to communicate with humans via sign language) and All Ball (Koko's pet kitten).