Fireflies

The Wild Kratts crew studies the secrets of Fireflies' Bioluminescence. But when Donita kidnaps all the forest's fireflies, Martin rushes off to save them, despite Chris' warnings, and is captured by Donita again, leaving it up to Chris to save him and the fireflies.

Chris Kratt, Martin Kratt, Firefly

Initially, a forty episode, half-hour adventure comedy. Later three additional seasons were added. Created by Chris and Martin Kratt - adventurers, brothers, zoologists and creators of hit shows such as Kratt's Creatures, Zoboomafoo and Be the Creature.

In their first-ever animated series, they are on a mission to save the animals of this planet from the evil Zach Varmitech, who plans to use animal "spare parts" to create a legion of biotech robots that will give him control over nature and the entire planet.