Doctor Satan's henchman remotely blows up the experimental ship, with Lois and crew aboard, as ordered.
Copperhead is electrocuted in Doctor Satan's lab as he captures the Doctor and his thugs.
A depth charge explodes. The diving bell, containing Bob & Lois, cracks and begins to fill with water.
Copperhead drives into a sheet of flames and his car explodes.
Copperhead is caught in the crushing grip of The Robot.
Lois is bound and gagged, the door handle is rigged to electrocute the Copperhead if he attempts a rescue, and poison gas is set to be released by a timer.
Splashed acid burns The Robot's circuitry and sends it out of control. It topples a case of acid on itself and the stunned Copperhead.
Copperhead, fighting on the back of a truck, is knocked off the vehicle. Speed, pursuing in a car, runs him down.
An open can of gunpowder is knocked over when a fight breaks out in a mine. An escaping thug knocks a lit torch onto the trail which in turn sets off all the explosives.
During a chase across a gas works, Copperhead is knocked from a narrow beam by a block and tackle swung at him.
Doctor Satan drops the Copperhead through a trap door and activates a sliding wall in the cell beneath to crush him.
A passenger plane, controlled remotely by Doctor Satan, crashes into a mountain.
As the group rounds a corner, Joe the thug opens fire on them, and someone falls, shot.
Copperhead hides in a box about to be delivered to Doctor Satan's new hideout. Doctor Satan suspects a poison gas booby-trap and has the still sealed box incinerated.