All Shows › Star Trek › Season 3
S3E16

Star Trek S3E16: The Mark of Gideon

Aired 1969-01-17
⚠ Spoiler alert This recap gives away what happens in this episode.

Episode Summary & Review

Episode 16 of Season 3 of Star Trek.

← Previous episode
Star Trek S3E15: Let That Be Your Last Battlefield
 Next episode →
Star Trek S3E17: That Which Survives