Weirdmageddon Part 1

"" is the 18th episode of the second season of Gravity Falls and the thirty-eighth episode overall. It premiered on October 26, 2015.

Official overview
TBA.

Synopsis
TBA.

Credits

 * Written by:
 * Josh Weinstein
 * Alex Hirsch


 * Directed by:
 * Sunil Hall


 * Storyboarded by:


 * With the Voice Talents of:
 * Jason Ritter as Dipper
 * Alex Hirsch as Grunkle Stan, Soos, and Bill
 * Linda Cardellini as Wendy
 * Thurop Van Orman as Li'l Gideon
 * J.K. Simmons as Ford
 * Justin Roiland as Blendin Blandin
 * Matt Chapman as Abuelita
 * Will Forte as Tyler Cutebiker
 * Dee Bradley Baker as Sprott
 * Kari Wahlgren as Shandra Jimenez
 * Louis C.K. as Hungry head with a arm
 * Nathan Fillion as Preston Northwest
 * Jackie Buscarino as Pacifica Northwest
 * Jennifer Coolidge as Lazy Susan
 * Gregg Turkington as Toby Determined
 * Dave Wittenberg as Lolph
 * Additional voices:
 * Alex Hirsch as Gnomes
 * Kevin Michael Richardson as Ghost-Eyes and Time Baby
 * Brian Bloom as Rumble McSkirmish

Character revelations

 * Wendy did not get her driver's license.
 * Time Baby is killed by Bill Cipher
 * Dipper and Mabel's allergies go off at the same time
 * Ghost-Eyes' major was in philosophy.

Series continuity

 * The episode continues immediately after "Dipper and Mabel vs. the Future," following Bill's success in opening a gateway to the Nightmare Realm.
 * In "The Last Mabelcorn" Bill says, "I've been making deals, chatting with old friends, preparing for the big day." In this sentence he foreshadows his entrance with other demons into Gravity Falls' world.
 * The snake and the badger from "The Love God" make an appearance running out of the forest.
 * Chutzpar, the Manotaur from "Dipper vs. Manliness," is seen fleeing the forest with other animals.
 * Tyler Cutebiker is shown as Gravity Falls' mayor after winning the election in "The Stanchurian Candidate."
 * Rumble McSkirmish reappears when the Arcade is overrun with "madness".

Trivia

 * Bill Cipher's page from the opening theme is seen with a hole where Bill's picture should be, nodding to the fact that he has finally entered Gravity Falls' dimension.
 * An apocalypse version of the theme song is used for this episode where Bill and his minions replace the main characters in every shot.
 * This was the first episode that Mabel didn't have a speaking role.

Cryptograms
On the end page, 17-23-11-19 15-5 9-2-19-6, 23-10-20 15 1-9-10 decodes to GAME IS OVER, AND I WON.