Program 1: Alligators & Crocodiles have topped the food chain for millions of years. Watch their unchallenged ability to snatch and swallow anything that comes too close. Program 2: Turtles & Tortoises, two of the slowest-moving and longest-surviving animals on the planet, adapt to any climate and can defend themselves against predators. This program emerges as an entertaining portrait of one of the most recognizable groups of animals.