The Science Fiction Cliffhanger Collection DVD –  

Disc 1:The Phantom Empire Part 1 (132 mins) – The Singing Cowboy The Thunder Riders The Lightning Chamber Phantom Broadcast Beneath the Earth Disaster from the Skies. Disc 2:The Phantom Empire Part 2 (114 mins) – 6 more great episodes. Disc 3: Undersea Kingdom Part 1 (138 mins) Beneath the Ocean Floor The Undersea City Arena of Death Revenge of the Volkites Prisoner of Atlantis The Juggernaut Strikes. Disc 4: Undersea Kingdom Part 2 (104 mins) – 6 more great episodes. Disc