A man on Jupiter is paid a huge sum of money to travel to Earth and kill his duplicate on that planet.
Verdict from Space
Blunder
A Child is Crying
The Woman at Land's End
The Last Man on Earth
Errand Boy
The Monsters
The Dark Angel
The Crystal Egg
Test Flight
The Search for the Flying Saucer
Enemy Unknown
Sneak Attack
The Invader
The Dune Roller
Frankenstein
20,000 Leagues Under the Sea: The Chase (1)
20,000 Leagues Under the Sea: The Escape (2)
What You Need
Age of Peril
Memento
The Children's Room
Bound Together
The Diamond Lens
The Fisherman's Wife (aka: Fountain of Youth)
Flight Overdue
And a Little Child
Sleep No More
Time to Go
Plague from Space
Red Dust
The Golden Ingot
Black Planet
World of Water
Little Black Bag
The Exile
All the Time in the World
The Miraculous Serum
Appointment on Mars
The Duplicates
Ahead of His Time
Sudden Darkness
Ice from Space
