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Watching earlier episodes in season 2 helps you follow the plot and character arcs leading into this episode.

Watch Willkommen in Gravity Falls Season 2 Episode 20 Online

Q: Where can I watch “Willkommen in Gravity Falls” Season 2 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).

“Seltsamageddon 3-4” — Watch "Willkommen in Gravity Falls" Season 2 Episode 20 online in HD for free. Check streaming providers, cast, and episode details.

Feb 15, 2016 Season 2 Episode 20 44 min TV-Y7

9.6 ★ ★ ★ ★ ★

35 votes

Willkommen in Gravity Falls Season 2

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Season 2 Episode 20 — Aired on Feb 15, 2016 • runs about 44 minutes.

Notable cast/guest names in this episode include Jason Ritter, Kristen Schaal, Alex Hirsch, Linda Cardellini.

This page includes 4 official still(s) (when available) plus legal availability links.

Looking for “watch Willkommen in Gravity Falls Season 2 Episode 20 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Mit der Zeit durchschaut Ford Bills wahre Pläne, doch die Crew der Mystery Shack schmiedet bereits einen Plan, zurückzukämpfen. Eine über alles entscheidende Konfrontation wird das Schicksal der Familie Pines entscheiden.

Während Ford Bills Pläne durchschaut, macht sich die Mystery Shack Crew bereit zum Gegenangriff. Eine finale Konfrontation wird das Schicksal der Familie Pines bestimmen.