Perfect Dens. The brothers learn all about different types of cosy animal dens. Bird expert Nadeem helps Cam build a bird box, and Aaron reveals why the Asiatic lion is most endangered. [S]
Cool Creatures. The brothers visit Belgium's Pairi Daiza Zoo to meet pandas, walruses, penguins and the golden takin, all animals that have adapted to survive in the coldest climates. [S]
Cool Creatures. The brothers visit Belgium's Pairi Daiza Zoo to meet pandas, walruses, penguins and the golden takin, all animals that have adapted to survive in the coldest climates. [S]
Shy Guys. The One Zoo Three brothers meet the zoo's shyest animals as Cam is challenged to a game of spot the reptile, and Tyler tries to tempt Rambutan the binturong onto his new platform. [S]
Big Steps. Trying to solve the case of the mystery footprints, the brothers look at the animals' feet. Could it be the penguin chicks, the snow leopard cubs, or something far more peculiar? [S]
Go Slow. The brothers learn about animals that like to take things slowly. They discover the top speed of a giant African land snail and see just how slow a sleepy sloth can get. [S]
Squeaky Clean. While the brothers are making sure all the habitats are squeaky clean, they discover how much they can learn from the animals themselves, as they are nature's best clean-up crew. [S]
Eco-Heroes. Looking to help protect the planet, Cam, Tyler and Aaron take inspiration from the zoo's animal eco-heroes, including pygmy marmosets, Amur tigers and orangutans. [S]
Welcome Party. The brothers hold a party to welcome a red panda, two cheetah brothers and some sand lizards to the zoo - but will Cam be able to collect the wriggly lizards? [S]
Power Players. Meet the zoo's powerful animals as Sonika the Asiatic lioness gets a grip in a tug-of-war and Tyler takes on Marion the sulcata tortoise in a contest of strength. [S]
The Birthday. It's a day of new arrivals as one of the pygmy marmosets gives birth and the penguins lay eggs. It's also Tilly the red panda's birthday. Also in HD. [S]
The Reopening. The zoo has its grand reopening to the public and the brothers recall the incredible story of how their family zoo came to be. Also in HD. [S]
The Tigers. The brothers celebrate the opening of their biggest and best enclosure yet, a huge new home for Siberia and Aleena the Amur tigers. Also in HD. [S]