Returning from their unexpected trip to Mars the crew of MR4 intercept a distress signal from Captain Wilson, a U.S astronaut, and must change course for Venus to attempt a rescue in space. However, through the space periscope, Brown sees what appears to be a settlement or a city of some sort. Desperate to investigate, Brown edits Wilson's message and tricks the crew into landing Venus so as they can rescue him.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | S.O.S. from Venus | 1961-03-05 | 30 min |
| Season 1 | Episode 2 | Into the Poison Cloud | 1961-03-12 | 30 min |
| Season 1 | Episode 3 | The Living Planet | 1961-03-19 | 30 min |
| Season 1 | Episode 4 | The Creature | 1961-03-26 | 30 min |
| Season 1 | Episode 5 | The Venus People | 1961-04-02 | 30 min |
| Season 1 | Episode 6 | The City | 1961-04-09 | 30 min |
| Season 1 | Episode 7 | The Valley of the Monsters | 1961-04-16 | 30 min |
| Season 1 | Episode 8 | Planet on Fire | 1961-04-23 | 30 min |
| Production | Mary Field | Production Consultant |
| Production | Sydney Newman | Producer |