About this season
Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals.
Episodes (10)
1. Cheetah Special
Aired 8 September 2025 • 29 min
Steve Backshall tracks cheetahs across Zambia by motorbike, witnessing epic hunting and the challenges faced by this endangered predator.
2. Saving Sharks
Aired 9 September 2025 • 29 min
Steve dives with 100 grey nurse sharks - aka ragged-tooth sharks - a wobbegong, and a gigantic whale shark, and he joins a mission in Indonesia to save sharks from over-fishing with eco-tourism.
3. Ocean Oddballs
Aired 10 September 2025 • 29 min
Steve is underwater in Indonesia with funny-looking frogfish, a stargazer, flamboyant cuttlefish, a mimic octopus, and a Bobbit worm.
4. Bat Spectacular
Aired 11 September 2025 • 29 min
Steve Backshall is in Zambia to witness ten million fruit bats undertake the world’s largest aerial migration. However, these bats are a buffet for Africa’s top three eagles.
5. Dragons and Death Adders
Aired 12 September 2025 • 29 min
Steve Backshall is in Sydney, Australia, searching for the world’s most venomous spider, the fastest striking snake, and an ocean dragon that is a camouflaged assassin.
6. Jaguar Special
Aired 15 September 2025 • 29 min
Steve Backshall is in Brazil searching for the world’s most elusive cat: the jaguar. He sees them swimming, meets mothers and cubs, and even witnesses one jaguar hunting a caiman.
7. Camouflage Killers
Aired 16 September 2025 • 29 min
Steve Backshall is in Australia to search for the world’s most freaky and venomous fish: the stone fish. He also finds trapdoor spiders and a snake that hunts bats.
8. Meerkat Madness
Aired 17 September 2025 • 28 min
Steve Backshall is in the Kalahari to search for its weirdest residents. From aardwolves to aardvarks and mischievous meerkats, Steve is hoping for some Deadly firsts.
9. Otter Hide and Seek
Aired 18 September 2025 • 29 min
Steve Backshall dives into the world of the caiman, learns about the plight of the world’s biggest parrot and tries to find his nemesis - the giant river otter.
10. Snake Island
Aired 19 September 2025 • 29 min
Steve Backshall heads to a place very few people ever go: Snake Island in Brazil, where the concentration of snakes is higher than anywhere else on earth.