Deep Space Nine: Season 3 (1994-1995)
S03E04

Equilibrium

Stardate: [unknown] Year: 2371

When Jadzia begins experiencing violent mood swings and hallucinations, a disturbing secret from Dax's symbiont history reveals a much larger deception.

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Broadcast: 17 October 1994
Format: Episode Prod #: 450

Story Order: 505 | Correct Order: 336