Kratts' Creatures was a children's television program on PBS. The show was hosted by the Kratt Brothers, Chris and Martin Kratt. It also featured Shannon Duff as Alison Baldwin and Ron Rubin as Ttark. The show introduced its viewers to the world of animals. 50 episodes were produced in total. The show was broadcast on PBS from June 3, 1996 until June 9, 2000.