The air ambulance teams battle to save cyclist Graham's partially amputated leg. Rose is freed from a rolled car in Buckinghamshire. And Gary suffers a rare and extremely serious complete knee dislocation playing football but strong pain relief results in some unexpected hilarity.

Britain's air ambulance teams race to bring the hospital emergency department to where it's urgently needed. Mick is put into an induced coma after suffering a cardiac arrest on the tennis court. Fell-runner Michael is seriously injured by cows in Cumbria. And helicopter medics face danger as they treat Adrian, who's been crushed by a collapsed wall.