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Star Trek S1E3 — One of Our Planets Is Missing

6.7

Star Trek•Season 1•Episode 3

One of Our Planets Is Missing

6.7/10 · 1,125 votesSep 22, 197324 min

Ranked #6 of 16 in Season 1•+0.1 vs season avg

Stardate: 5371.3 The crew of the Enterprise races to find a way to stop a cloud from destroying inhabited planets.

Written byMarc Daniels

Previous episodeE2 · Yesteryear Next episodeE4 · The Lorelei Signal

Seasons2

Season 1 Episodes16

Beyond the Farthest Star still

Beyond the Farthest Star

Yesteryear still

Yesteryear

One of Our Planets Is Missing still

E3 6.7Now viewing

One of Our Planets Is Missing

The Lorelei Signal still

The Lorelei Signal

More Tribbles, More Troubles still

More Tribbles, More Troubles

The Survivor still

The Survivor

The Infinite Vulcan still

The Infinite Vulcan

The Magicks of Megas-tu still

The Magicks of Megas-tu

Once Upon a Planet still

Once Upon a Planet

Mudd's Passion still

Mudd's Passion

The Terratin Incident still

The Terratin Incident

The Time Trap still

The Time Trap

The Ambergris Element still

The Ambergris Element

The Slaver Weapon still

The Slaver Weapon

The Eye of the Beholder still

The Eye of the Beholder

The Jihad still

The Jihad

Cast7

William Shatner

William Shatner

James T. Kirk (voice)

Leonard Nimoy

Leonard Nimoy

Spock (voice)

DeForest Kelley

DeForest Kelley

Leonard McCoy (voice)

George Takei

George Takei

Hikaru Sulu (voice)

Nichelle Nichols

Nichelle Nichols

Uhura (voice)

James Doohan

James Doohan

Montgomery Scott (voice)

Majel Barrett

Majel Barrett

Christine Chapel / Starfleet Computer (voice)

Crew1

Marc Daniels

Marc Daniels

Writer

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Episode Summary

"One of Our Planets Is Missing" is episode 3 of Star Trek season 1. It scored 6.7/10 from 1,125 votes, ranking #6 of 16 episodes this season (season average 6.6). Written by Marc Daniels, it aired on September 22, 1973.

Next: E4 · The Lorelei Signal Best of Season 1