7.9

The Invaders•Season 1•Episode 16

Wall of Crystal

7.9/10 · 252 votesMay 2, 196760 min

Ranked #3 of 17 in Season 1•+0.2 vs season avg

Discussion

David's brother, who also thinks he is crazy, is kidnapped by the aliens who intend to destroy the oxygen in our planet's air.

Directed byJoseph Sargent

Written byDaniel B. Ullman

Previous episodeE15 · Moonshot Next episodeE17 · The Condemned

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

Crew6

Andrew J. McIntyre

Director of Photography

Joseph Sargent

Director

Walter Hannemann

Editor

Daniel B. Ullman

Writer

Don Brinkley

Teleplay

Bob Herron

Stunts

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Episode Summary

"Wall of Crystal" is episode 16 of The Invaders season 1. It scored 7.9/10 from 252 votes, ranking #3 of 17 episodes this season (season average 7.7). Directed by Joseph Sargent and written by Daniel B. Ullman, it aired on May 2, 1967.

Next: E17 · The Condemned Best of Season 1