2 Brothers, and 2 Sisters

2 Brothers, and 2 Sisters is the sixteenth episode of the first season of The New Adventures of The Wild Thornberrys.

Summary
The Thornberrys are joining world Famous Biologists Hal and Roger Jarrod

Main Cast

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

Guest Stars

 * Martin and Chris Kratt as Hal and Roger Hunt, the famous biologists.

Animals Featured in the Episode

 * Aardvark
 * Aardwolf
 * African Elephant
 * African Lion
 * African Rock Python
 * African Termites
 * Barn Owl
 * Bat-Eared Fox
 * Bee
 * Black Mamba
 * Black Rhino
 * Caracal
 * Chanting Goshawk
 * Cheetah
 * Colobus Monkey
 * Crested Porcupine
 * Giraffe
 * Greater Kudu
 * Guinea Fowl
 * Hippo
 * Honey Badger
 * Horse
 * Hyena
 * Impala
 * Leopard
 * Locust
 * Martial Eagle
 * Mountain Gorilla
 * Nile Crocodile
 * Peregrine Falcon
 * Plains Zebra
 * Secretary Bird
 * Spotted Eagle-Owl
 * Thomson's Gazelle
 * Warthog
 * White-Headed Vulture

Trivia

 * Hal and Roger Hunt are based on the characters of the same from Willard Price's Adventure Series