Once Upon a Planet
Series: Star Trek: The Animated Series
Airdate: November 3, 1973 | Year Set: 2269
Season 1, Episode 9
Summary
The Enterprise travels to the shore leave planet for some well-deserved rest and relaxation. The planet can create organic androids based on the crew's imagination, but they soon discover that the planet has a hostile mind of its own. The "amusement park" planet's keeper is now dead and the untended machinery is constructing dangerous images from the crew members' thoughts.