Another World...Almost Like Our Own
I Shot an Arrow Into the Air (Episode 15 - January 15, 1960):
The world's first manned space mission goes awry, stranding the crew on an apparent asteroid that is desolate and waterless. One man ruthlessly grasps for survival before a peculiar symbol reveals the group's true location.
Death Ship (Episode 108 - February 7, 1963):
Three astronauts discover a wrecked duplicate of their spaceship and their own dead bodies! Determined to prove that they are alive, Captain Ross (Jack Klugman) launches their spaceship again...and again.
Still Valley (Episode 76 - November 24, 1961):
A Confederate soldier (Gary Merrill) gets the chance to win the Civil War for the South. But to do that, he must call on a very dubious ally.