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6/6 Small chirruping insects grow huge and hunger for human flesh.
5/6 It's white-knuckle time as a space train hurtles towards Earth.
4/6 Tinned food lets man live on Mars, until the can openers fail.
3/6 A man loses his identity and ends up in double trouble.
2/6 A dashing male stranger enters a world where human women can no longer have children.
1/6 Space heroes Jack and Chip tackle green Venusian terrorists. 1950s American sci-fi spoof.