Where can I watch “Stargate Atlantis” Season 5 Episode 20 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).

Do I need to watch earlier episodes before “Enemy at the Gate”?

Watching earlier episodes in season 5 helps you follow the plot and character arcs leading into this episode.

Watch Stargate Atlantis Season 5 Episode 20 Online

“Enemy at the Gate” — Watch "Stargate Atlantis" Season 5 Episode 20 online in HD for free. Check streaming providers, cast, and episode details.

Jan 8, 2009 Season 5 Episode 20 43 min M

8.4 ★ ★ ★ ★ ★

24 votes

Stargate Atlantis Season 5

← Back TV Series

Where can I watch "Enemy at the Gate" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

Season 5 Episode 20 — Aired on Jan 8, 2009 • runs about 43 minutes.

Directed by Andy Mikita.

Written by Paul Mullie, Joseph Mallozzi.

Notable cast/guest names in this episode include Joe Flanigan, David Hewlett, Rachel Luttrell, Jewel Staite.

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

Looking for “watch Stargate Atlantis Season 5 Episode 20 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

"Todd" informs the Atlantis expedition that a rogue group of Wraith has acquired several Zero Point Modules to power a Super-hive, and wants it destroyed. However, after the Daedalus is disabled, they learn that the ship is heading straight for Earth, and they must stop it before it gets there.