Discovery Channel Saturday

The construction of the world's most powerful locomotive, how cows' milk is turned into clotted cream, and the crafting of a boomerang from a piece of wood

A look at how sardines are fished and processed. Plus, the manufacture of ejector seats and Piaggio scooters

The production of clogs and pasties, plus how planes are painted

The casting of bells for cathedrals, and how the environment is cleaned up after large, natural storms

The production of tyres made by the Titan Corporation, espresso coffee and how diamonds are cut

The manufacturing process of Berettas and cotton, and an insight into the complexity of the Paris sewer system

Dr Jeff's team races to help a tiny dog to deliver a large puppy and save both lives. The vets also head downtown to help homeless people and their pets

Dr Jeff and the team head to Mexico to offer free veterinary care for poor families. Over one gruelling week they treat hundreds of animals in need

A client brings in an unusual pet who is fast outgrowing his enclosure. Dr Jeff treats a cat with several serious - and mysterious - injuries

On the eve of their journey back to Alaska, Bird faces a life-changing crisis. Bear and Raiven decide to move up the mountain and begin their life as a family

While Bird undergoes emergency surgery, Gabe embarks on a risky mission for his homestead build. Raiven gets her first lesson in off-grid building with Bear

The siblings touch down in Haines, Alaska, on a mission to find a new homestead for Noah. Meanwhile, Bam and Gabe face hungry predators coming out from hibernation

Noah risks losing a dream property when he volunteers to help an off-grid family in need. Bear invents a new way for him and Raiven to accomplish a tedious chore

The Brown siblings battle boat issues while racing to meet a deadline. Bam strives to save the ranch money by learning from a local hay farmer

The Browns must navigate the treacherous Wrangell Narrows on course for the storied Mosman Island, but stormy seas threaten their journey

King Crab is back. Two decades since Sig Hansen first allowed a camera on board, a new generation lays claim to an industry he helped pioneer

Chainsaw artist Ella takes on her biggest ever project in the woods, carving a gigantic Tibetan dragon-themed chair out of a magnificent trunk of redwood

Builder Chase Morrill and the team transform a secluded one-room shack into a couple's relaxing retreat. This project will stretch their budget and timeline.

The first elimination puts a legend on the chopping block. A primitive bow challenge pushes bushcraft skills and partnerships to their breaking point.

Seeking the truth behind sensationalistic stories, Josh Gates investigates Jim Morrison's mysterious death, a mermaid-like creature and an alien abduction.

The team descends into the secret Mormon mine entrance. They finally find the Keyhole Chamber -and uncover the truth about the Aztec gold.

Scientists examine a huge black hole that lies at the heart of the galaxy, 26,000 lightyears away

Experts investigate theories surrounding the possibility of time travel, and ask whether it could ever be more than science fiction

An examination of the Teutul family history, with Paul Sr reminiscing about his childhood and the start of his career at Orange County Ironworks

Mikey Teutul and Vinnie DiMartino's favourite out-takes from the bike-building show, including Paul Teutul Sr's experience in a space suit and the team's drag racing exploits

Buying goods from home

Buying goods from home

Mike Brewer goes in search of a Porsche 993 Targa to renovate, and finds the cheapest one in the country