Discovery Channel HD Saturday

How does a fish make a weapon out of water? Why do turtles always return to the same beach to lay their eggs? Why do rhinos all poop in the same place?

Experts spill the secrets of the means of communication used by cats. Plus, some clever monkeys who have turned to a life of crime

More secrets from the animal kingdom, including why moths are attracted to flames, why turtles cry and why sea otters bond with stones

Experts spill the secrets of the animal kingdom, revealing why spiders don't get stuck in their own webs and how foxes find water in the desert

How do hamsters stuff so much into their cheeks? Why do camels have humps? Plus, why are pigeon wings so noisy? Experts answer these questions!

How does your dog know when you're sick? Which animals make the most amazing nest? Why do octopuses have blue blood? Experts have the answers!

Denver vet Dr Jeff helps an injured tiger at a wild animal sanctuary. Dr Amy tackles exploratory surgery on a cat with a strange appetite

Dr Jeff operates on a dog rushed in after a growth on its neck ruptures. The team performs a risky procedure on a pair of rescued miniature donkeys

Dr Jeff and his team head to a wildlife sanctuary to treat a pack of wolves. Later, when a kitten with a deformed leg needs treatment, Dr Baier steps up

With a huge storm predicted, the siblings rush to complete a project to capture and store water. Meanwhile, Gabe prepares for his wedding with a surprise bachelor party

The wolfpack prepares for their first ever wedding in the bush, but emotions run high and the Browns struggle to keep their most ambitious project on track

Bird and Gabe are forced to take action when a hungry predator approaches. Meanwhile, Bam Bam must play nice with his siblings to break ground on his homestead

When an ostrich lays its first egg, the Brown siblings rush to work out how to incubate it. Meanwhile, Bear gets a special visit from a girl on North Star Ranch

The Browns flee the mountain during a dangerous lightning storm in the heat of fire season. To ensure their safety, they devise ingenious new fire safety measures

With a podium place within reach, Sara takes on Dakar's dunes. Backed by her teammates, she fights through pure exhaustion to cross the finish line.

A dream leads John to a crab hotspot, but a rival trawler shares the vision. Keith races to save the Wizard as seawater breaches the engine room.

Ella and Rich tackle the most surreal commission the workshop has ever seen: a hedgehog-themed birdbath that's also a tribute to Queen guitarist Brian May

Chase Morrill and his crew renovate a historic shack in Bunganuc Creek. They start by opening boarded windows, clearing animal droppings and years of trash.

Four survivalists attempt 21 days in the Kalahari Desert. Extreme hunger and harsh conditions fractures trust and pushes them to their limits.

Extraordinary individuals, from survivalists to scientists, reveal how shows they watched on Discovery inspired them and transformed their lives

Sarah holds her ground as Reed drives the Dominator inside a tornado. Gorilla hail bombards Freddy, and Brandon intercepts a tornado at a gas station.

Josh Gates investigates historic coverups: a secret plot against the Nazis, the crimes of the Knights Templar, and a suspicious royal death.

Shocking new testimonies from those closest to the case are uncovered, along with an unimaginable link to a notorious serial killer duo

Astronomy programme exploring phenomena in the universe. This edition focuses on the search for alien life on other planets in the galaxy

Joseph McClendon, who sold his bike to pay for his mother's medical treatment, is given the opportunity to regain his independence as the team build him a new chopper

The staff of Orange County Choppers build a specialised trike for the last winning fan, Bryan King, who was left paralysed after a car accident

Buying goods from home

Buying goods from home

With the Ford Focus having its 25th anniversary, Mike thinks the ST model may be the next classic. He nabs a bargain, but Elvis finds the engine needs a full rebuild