Where can I watch “Under the Dome” Season 3 Episode 10 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 “Legacy”?

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

Watch Under the Dome Season 3 Episode 10 Online

“Legacy” — Watch "Under the Dome" Season 3 Episode 10 online in HD for free. Check streaming providers, cast, and episode details.

Aug 20, 2015 Season 3 Episode 10 43 min TV-14

6.3 ★ ★ ★ ★ ★

22 votes

Under the Dome Season 3

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Season 3 Episode 10 — Aired on Aug 20, 2015 • runs about 43 minutes.

Directed by Dennie Gordon.

Written by Andres Fischer-Centeno, Alexandra McNally.

Notable cast/guest names in this episode include Mike Vogel, Rachelle Lefevre, Alexander Koch, Eddie Cahill.

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

Looking for “watch Under the Dome Season 3 Episode 10 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

The Resistance, the citizens not under Christine’s control, join forces with an unexpected ally: Hektor Martin, the nefarious head of Aktaion. Despite Hektor revealing more about the Dome’s origins and helping to strike back at it, Big Jim and Julia still worry he will betray them. Meanwhile, Hunter receives encrypted files that give disturbing insights into the final effect the Dome will have on the infected townspeople.