Cast: Larry 'Buster' Crabbe, Carol Hughes, Charles Middleton, Frank Shannon, Anne Gwynne
Running Time: 17 mins.

After leaving the Land Of The Dead, with Ming's minions Torch, Sonja and Thong as prisoners, Flash and his companions aid Prince Barin in his attempt to rescue Princess Aura, held hostage by her father Ming The Merciless. With the help of Captain Sudan, one of Ming's soldiers, they enter the caverns beneath the palace where they are discovered by Emperor Ming using his trusty Spaceograph. Ming orders the caverns flooded and Flash and his companions are swept towards a bottomless pit. Can Flash survive the caverns? Can he rescue Princess Aura?