Where can I watch “Invasion” Season 1 Episode 5 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 1 helps you follow the plot and character arcs leading into this episode.

Watch Invasion Season 1 Episode 5 Online

“Unnatural Selection” — Watch "Invasion" Season 1 Episode 5 online in HD for free. Check streaming providers, cast, and episode details.

Oct 19, 2005 Season 1 Episode 5 42 min M

7.0 ★ ★ ★ ★ ★

4 votes

Invasion Season 1

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Season 1 Episode 5 — Aired on Oct 19, 2005 • runs about 42 minutes.

Directed by Thomas Schlamme.

Written by Michael Berns, Shaun Cassidy.

Notable cast/guest names in this episode include Eddie Cibrian, Lisa Sheridan, Alexis Dziena, Evan Peters.

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

Looking for “watch Invasion Season 1 Episode 5 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

The family of Russell's friend and fellow Park Ranger, Carl, is struck by tragedy. Russell suspects Sheriff Underlay may be hiding something when he starts looking into the tragedy. Larkin calls upon an old flame to help her investigation into the military. Meanwhile, Mariel and Jesse have a big fight and Rose wants a tree house.