For the ultimate surfing thrill, forget the beach. Around the world are a handful of rivers where the waves are more impressive than practically anything at sea.
Terror in the skies, as a skydiver's parachute fails to open, leaving him falling towards the ground. Plus, see what happens when a fire breather gets more than she bargains...
What's the worst thing that can happen when you order a new swimming pool? One family finds out the hard way. And as a deer comes face to face with...
A fearless flyer tries to soar at 200km an hour between office blocks without an aircraft, as another daredevil hurls himself at 145 km an hour towards the ground.
A wind-fuelled fire traps a construction worker on a narrow balcony. The intense heat melts windows next to him, so does he jump or hope for rescue before the building...
Two extreme cyclists fall from great heights at incredible speed. Can they survive by harnessing some life-saving science? Plus, the destructive power of a boat's wake.
Fire breaks out at a fireworks factory, sparking fears of a chain reaction. Meanwhile, more explosions as propane gas cylinders are hurled into oncoming traffic in Russia.
A helicopter pilot attempts to rescue a man perched on a crane, but will the rotor blades blow him off his perch? And what happens to sky divers whose chutes...
Firefighters tackling a blaze in Los Angeles find they must put their trust in a unique chemical reaction. Plus, what happens when a fire hose takes on a life of...
A skydiver tries to escape from an uncontrollable spin and a group of would be ice rescuers suddenly need rescuing themselves. Plus two paraglider pilots are flung into the air.
When a meteor hits earth, how far away can the crash be heard, and who hears it first? Plus, what does it take to bring a plane down safely if...
What happens when you pack your parachute the wrong way around? Plus, discover the unfortunate consequence of and the perils of misjudging a rope swing.
What happens next when a massive 'rig' truck is spotted flying - quite literally - across a highway? Plus, witness foam attacks, and get up close and personal with killer...
Thousands of tonnes of ice crawl towards a town, and discover the perils of cycling across ice. Plus, see what happens if you try to change the wheels of your...
There's aerial drama as two planes filled with skydivers draw perilously close, an explosive hare and tortoise car race and a diver is mysteriously sucked into a raging maelstrom.
A young woman's bungee rope snaps over 100 metres above a crocodile-infested river, how to defeat an earthquake, and how many party balloons does it take for a child to...
What does it take to do a barrel-roll in a car, what's the trick behind the world's biggest mega-bubble, and who can go deeper between scuba divers and free divers?