Poster of Cast and Crew in Gravity Falls (Shorts) - How’d it Happen? (Season 2 - Episode 33) - How’d it Happen?

Gravity Falls (Shorts) - Season 2 - How’d it Happen? (Episode 33)

Plot: Old Man McGucket ponders how the apocalypse came to be.
Episode Aired On:
Monday, November 9 2015
9 years ago
Genres: Action & Adventure, Animation, Kids, Family, Sci-Fi & Fantasy