National Geographic Channel HD Saturday

A prairie dog has a mysterious bump on her face that could be a hematoma, a rabbit has a stomach obstruction, and a potbellied pig eats a piece of fruit that lodges in her throat

The team members suffer a setback when the house they have been asked to tear down is vandalised and its valuable contents removed

Danley Demolition's risky gamble to tear down a fire-damaged building pays off when a valuable collection of sporting memorabilia is uncovered

The story of a US submarine that had to deal with jammed torpedoes and a crew member needing an emergency appendectomy as it intercepts Japanese ships

The story of a submarine commander who bet that he could sink 15 vessels before returning to port, developing unprecedented tactics in his determination to win the wager

The German air force during the Second World War, exploring an aircraft factory, a torpedo test facility and the world's most advanced jet bomber

The events of 1944, when the Japanese turn in desperation to killer planes, rocket bombs and super torpedoes guided not by machines, but by human pilots

An expose of the medications Adolf Hitler was taking, how much he took and how often, and whether drugs played a role in the Fuhrer's behaviour and actions

Marfan syndrome means Andrew can no longer work on his classic 1971 sports car so he is in for a surprise when Tim and Fuzz sneak it away for a secret fix-up

Fuzz Townshend and Tim Shaw restore the smallest car they have ever worked on for a man who has endured a series of family tragedies

Fuzz Townshend and Tim Shaw restore a 1991 Range Rover, which is a sad reminder of happier days for the owner and her family

With four months until Crufts, one competitor must face hard truths in the hopes that she can step up her game to become a champion

With just three months until Crufts, the competitors are feeling the pinch and while there are plenty of tricks to teach, it is not just the dogs who need help

Richard Hammond presents a special edition focused on cats, using science to reveal the humiliating and painful potential of various YouTube disasters to befall unfortunate felines

Richard Hammond uses science and home footage to reveal the humiliating and painful potential of riding down a zip line, playing on swings or swallowing powdered cinnamon

Experts investigate the 1956 collision of two planes over the Grand Canyon in Arizona, and reveal a problem that threatened the entire aviation industry

An assessment of rumours that a Boeing 747 jet was carrying illegal arms when it crashed during a routine flight from Taiwan to Johannesburg in 1987

When the cockpit window of Sichuan Airlines 8633 explodes, the crew somehow battles gale-force winds and oxygen deprivation to safely land the plane

Reconstructions of high-profile aviation disasters, including Lion Air Flight 610, which plunged into the sea on October 29, 2018

Thord's skills are put to the test with the rescue of an excavator, but there is trouble when rookie Terje's reckless driving ends in disaster

A pilot shot down during the Vietnam War is held in a prison camp for three months, but escapes to make a gruelling 25 mile journey back to his own lines

Fridays are always busy, with more passengers meaning more problems. Today staff face an air ambulance emergency, security breaches and passenger with illegal drugs