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Star Trek: Miri

The Enterprise investigates an Earth-like planet and an abandoned city, where they discover the entire planet was wiped out by a disease. The disease strikes at puberty, and the only survivors are a group of kids who have formed their own primitive society and are doomed to die once they become adults.

Episode Info

Episode number: 1x8
Production Number: 6149-12
Airdate: Thursday October 27th, 1966

  • Currently 6/10
6/10 (3 Votes cast)
Starring Roles
DeForest Kelley
As Dr. Leonard Horatio "Bones" McCoy

Guest Stars
David L. Ross
As Lt. Galloway
Ed McCready
As Boy Creature
Grace Lee Whitney
As Yeoman Janice Rand
Jim Goodwin (1)
As Lt. John Farrell
Kim Darby
As Miri
John Megna
As Little Boy
Keith Taylor (1)
As Jahn's Friend
Kellie Flanagan
As Blonde Girl
Steven McEveety
As Redheaded Boy

Irene Sale
As Louise
John Arndt
As Security Guard
Bob Miles (1)
As Dr. McCoy's Stunt Double
Darlene Roddenberry
As Dirty-Face Girl in Flowered Dress
Dawn Roddenberry
As Little Blonde Girl
Jon Dweck
As Boy Who Stole Phasers #1
Lisabeth Shatner
As Little Girl in Red-Striped Dress
Phil Morris
As Boy in Army Helmet
Scott Dweck
As Boy Who Stole Phasers #2
Scott Whitney
As Small Boy
Main Cast
William Shatner
As Captain James Tiberius Kirk
Leonard Nimoy
As Commander Spock


The Enterprise investigates a distress signal and comes across a planet that is an exact replica of Earth. They beam down near the signal transmitter and find a deserted city. A deformed teenager attacks them but they easily subdue him. McCoy determines his physiology is burned out as if from rapid aging, and he dies before their eyes...

Read the full recap
Episode Notes
A number of the uncredited children roles are played by sons and daughters of the cast & crew, including Darlene & Dawn Roddenberry (Gene Roddenberry), Lisabeth Shatner (William Shatner), Steven McEveety (director Vince McEveety), and Scott Whitney (Grace Lee Whitney).

Filming took place on the Mayberry lot used for The Andy Griffith Show. Look for Floyd's Barbershop among other recognizable landmarks.

A young Phil Morris has an uncredited role. Phil's father Greg Morris worked next door at Desilu's Mission: Impossible set and they "borrowed" Phil for this episode's filming. As an adult, Phil would go on to work on Deep Space Nine and Voyager, as well as appear in Star Trek III: The Search for Spock.

Episode Quotes
Children: Bonk bonk on the head!

Kirk: I think children have an instinctive need for adults; they want to be told right and wrong.

Kirk: No more blah, blah, blah!

Episode Goofs
So why does the planet look exactly like Earth? It serves no purpose to the plot, and the odds of it happening are so astronomically high as to be impossible.

Other Episode Crew

CreatorGene Roddenberry
CastingJoseph D'Agosta
Costume DesignerWilliam Ware Theiss
Make-upFred B. Phillips
GripGeorge Rader
Property MasterIrving A. Feinberg
GafferGeorge H. Merhoff
OtherHerbert F. Solow (Executive in Charge of Production)
Special EffectsJames Rugg
Main Title ThemeAlexander Courage
Warning: Star Trek season 1 episode 8 guide may contain spoilers
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