Overview: In Ethiopia, the wonders — and horrors — of nature come alive. Bradley gets elbow deep into his work while Dietrich monkeys around with Bonnie.
Overview: New life can be brutal in Australia, where BTG chases numbats, sand sharks eat siblings in the womb, and newborn orcas keep mama awake for a month.
Overview: All's fair in love — and group mating rituals. Witness the flamboyant flamingo, belly-flopping eagle ray and one seriously awkward field assistant.
Overview: Fear can be your friend — just ask a spooked pangolin or a panicked Dietrich. Later, BTG reveals the traumatic basis of his worst baboon nightmares.
Overview: Welcome to a hairy new habitat: Hollywood. BTG unleashes black swans in a queer-critter TV segment. But can he flip the script on a killer cassowary?
Overview: Venomous lorises, vicious martens, zoologist influencers — the Himalayas abound with dangers. Still, the goatzilla, aka gnu goat, calls to BTG's team.
Overview: BTG flirts with gory death by waking hibernating bears and swimming with orcas, knowing that many animals kill for fun. Which murdered the intern?
Overview: The gang gets revved for a Louisiana monster jam: Bonnie wants to expose the murder swamp's mysteries, and BTG hunts for aliens, as in alien species.
Overview: Turn up those beach vibes because survival can depend on smart slothfulness, especially when you're stranded on an island swarming with predators.
Overview: Out to save a desert rain frog, BTG, Bonnie and Dietrich crash-land in Namib Desert, where they must munch on insects and have a blast in a sandstorm.
Overview: Taste drives all animals as the team searches for an elusive cheese hermit amid circling lammergeiers, fresh maggots and molecular gastronomy snacks.
Overview: This time, it's personal. Family secrets send the trio on dicey expeditions, into the jaws of wolves in the Yukon and the maws of hippos in the Congo.