The Original Series: Season 3 (1968-1969)
S03E17

The Mark Of Gideon

Stardate: [unknown] Year: 2269

An overpopulated race of aliens try to solve their planet's problem.

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Broadcast: 3 January 1969
Format: Episode Prod #: 072
Writer(s): George F. Slavin and Stanley Adams
Director(s): Jud Taylor
Story Order: 240 | Correct Order: 73