Continuity mistake: When Sam Twist jumps from the train on the Forth Bridge, he lands in a puddle between the tracks, which are resting on sleepers on top of ballast - but when we see the train disappearing, there are no sleepers or ballast - the rails look like they're on concrete 'runners'. (00:55:00)
Continuity mistake: When the team are in the derelict house, Mike Weston turns the right hand tap on and no water comes out. When Handy turns the stopcock on the water comes out of the left hand tap.