A team from the Bigfoot Field Researchers Organization track the legendary beast using infrared and night-vision cameras, as well as information from firsthand accounts of alleged encounters.
A cat behaviorist works to mend difficult human-feline relationships.
A series following the goings-on at the Villalobos Rescue Center for dogs, founded by pit-bull trainer Tia Maria Torres, whose aim is to combine pit-bull rescue with a work program for parolees.
Rattlesnake wranglers in Texas remove the venomous vipers from residential areas, farms and job sites in this series.
Following a marine-conservation organization on its quest to stop Japanese whaling operations in the Antarctic.