Official services offer Season 2 in multiple languages and allow for offline viewing through their dedicated apps.

Gravity Falls Season 2 consists of (including the multi-part Weirdmageddon finale). Key episodes include: Watch Gravity Falls | Full episodes | Disney+

If a site asks you to "download a player" first, it is almost certainly a security risk. If you'd like, I can help you:

with high quality and official subtitles is through major streaming services. : This is the primary home for Gravity Falls