Where can I watch “Star Trek” Season 3 Episode 13 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 3 helps you follow the plot and character arcs leading into this episode.

Watch Star Trek Season 3 Episode 13 Online

“Hélène de Troie” — Watch "Star Trek" Season 3 Episode 13 online in HD for free. Check streaming providers, cast, and episode details.

Dec 20, 1968 Season 3 Episode 13 51 min TV-PG

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Star Trek Season 3

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Season 3 Episode 13 — Aired on Dec 20, 1968 • runs about 51 minutes.

Directed by John Meredyth Lucas.

Written by John Meredyth Lucas.

Notable cast/guest names in this episode include William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Star Trek Season 3 Episode 13 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

L'Enterprise est chargé de transporter Hélène, représentant la planète Elas vers la planète Troyus, comme convenu dans le traité de paix unissant les deux planètes. L'affaire se complique lorsque des Klingons attaquent l'Enterprise pour empêcher le traité d'aboutir.