Nick Knowles presents close calls caught on film. A family in Wales enjoying a day at the beach find a curious item on the shore, not realising it is a bomb. Show more

Nick Knowles presents close calls caught on film. A teacher out for a walk with her dog risks her own life to save her pet and becomes entombed in a treacherous mudslide. Show more

Nick Knowles presents close calls caught on film. A paraglider pilot misjudges the thermals and, out of control, plunges 6,000 feet and lands 60 feet up in the tree canopy. Show more

Nick Knowles presents close calls caught on film. A British pensioner on the trip of a lifetime is lost in the Australian bush without food and water. Show more

Nick Knowles presents close calls caught on film. A family on a safari holiday is attacked by an elephant. A climber plummets from Helvellyn in the Lake District. Show more

Nick Knowles presents close calls caught on film. A team of British rowers take on the Pacific Ocean, but their journey nearly ends in tragedy as their small boat begins to sink. Show more

Nick Knowles presents close calls caught on film. When a mountain biker suffers a freak accident in the Peak District, a total stranger comes to his aid. Show more

Nick Knowles presents close calls caught on film. Fire crews battle to reach a woman trapped in her flat, as thick smoke and flames envelop them all. Show more

Nick Knowles presents close calls caught on film. A pedestrian is involved in an accident when a bus shunts a parked car into him. Show more

Nick Knowles presents close calls caught on film. When a building site worker digs up a World War II bomb, 3,000 Londoners are moved out of their homes. Show more