7.7

The Invaders•Season 1•Episode 9

Quantity: Unknown

7.7/10 · 291 votesMar 7, 196760 min

Ranked #8 of 17 in Season 1•matches the season avg

Discussion

While investigating the theft of a mysterious cylinder from the site of a plane crash, Vincent is captured and suspected of being an alien.

Directed bySutton Roley

Previous episodeE8 · Doomsday Minus One Next episodeE10 · The Innocent

Seasons2

All 1 2

Season 1 Episodes17

Beachhead

The Experiment

The Mutation

The Leeches

Genesis

Vikor

Nightmare

Doomsday Minus One

Quantity: Unknown

The Innocent

The Ivy Curtain

The Betrayed

Storm

Panic

Moonshot

Wall of Crystal

The Condemned

Cast1

Roy Thinnes

David Vincent

Crew5

Andrew J. McIntyre

Director of Photography

Jerry Young

Editor

Don Brinkley

Teleplay

Clyde Ware

Story

Sutton Roley

Director

Discussion

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Episode Summary

"Quantity: Unknown" is episode 9 of The Invaders season 1. It scored 7.7/10 from 291 votes, ranking #8 of 17 episodes this season (season average 7.7). Directed by Sutton Roley, it aired on March 7, 1967.

Next: E10 · The Innocent Best of Season 1