The best show on Disney XD is ending after just two seasons.
Gravity Falls Season 3: Will More Episodes Ever Release?
Gravity Falls - Wikipedia
Weirdmageddon 3: Take Back The Falls, Gravity Falls Wiki
Gravity Falls Season 2 Putting the ending pages together!
Gravity Falls to End in 2016
Wander Over Yonder' to End with Season Two Finale - Rotoscopers
Why Gravity Falls Ended After Two Seasons
Five years on, there's still no sign of a Gravity Falls movie (and that's a good thing) – The Pop Culture Studio
Gravity Falls' Gets an Homage on Disney Channel's 'Amphibia
Gravity Falls' Many Fans Couldn't Save It From an Early End
So, how long did it take you all to realize that the pages at the end of every Season 2 episode were slowly forming one giant picture? : r/ gravityfalls
Why Gravity Falls Ended After Season 2 (Was It Canceled?)