Where can I watch “Star Trek : Enterprise” Season 4 Episode 21 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 4 helps you follow the plot and character arcs leading into this episode.

Watch Star Trek : Enterprise Season 4 Episode 21 Online

“Terra prime” — Watch "Star Trek : Enterprise" Season 4 Episode 21 online in HD for free. Check streaming providers, cast, and episode details.

May 13, 2005 Season 4 Episode 21 43 min TV-PG

7.7 ★ ★ ★ ★ ★

26 votes

Star Trek : Enterprise Season 4

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Season 4 Episode 21 — Aired on May 13, 2005 • runs about 43 minutes.

Directed by Marvin V. Rush.

Written by Judith Reeves-Stevens, Garfield Reeves-Stevens.

Notable cast/guest names in this episode include Scott Bakula, Jolene Blalock, Connor Trinneer, John Billingsley.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Star Trek : Enterprise Season 4 Episode 21 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Les ambassadeurs aliens, réunis sur Terre sur l'invitation du président de la Terre Nathan Samuels pour créer une coalition de planètes, prennent peur devant la montée xénophobe des Terriens. Sous la direction de Paxton, un adepte du monstrueux colonel Green, ils menacent de plus en plus les aliens. Starfleet Command est en danger...