Dipper and Mabel vs. the Future

"Dipper and Mabel vs. the Future" is the 17th episode of the second season of Gravity Falls and the thirty-seventh episode overall. It originally premiered on Disney XD on October 12, 2015; & then on Disney Channel on January 29, 2016.
==Summary==
Dipper and Mabel are on the verge of turning 13, so Mabel decides to plan for the party - and Dipper is about to uncover a shocking secret beneath Gravity Falls.
==Plot==
The episode begins with Dipper and Mabel, excited for their thirteenth birthday. Mabel goes to tell Soos and Grunkle Stan, only to find out that they have more things. She goes to Wendy, along with their friends, disappointed to go back to high school as the summer ends, even Candy and Grenda can't come due to their problems (Candy go to the girl scout camp as Grenda is in date with Marius), much to her disappointment.
Dipper goes to get Ford for their birthday, only to find out that he is trying to go to find UFO in the cliff, where it crashed, there they find some robots trying to capture Ford (they have hunted him down for all those years). They have defeated him, with Ford, impressed he wants to make Dipper as his student. Dipper decides to go and tell Mabel about.
In afternoon, after returning to the shack, Dipper comes to the attic and tells Mabel about how he had a best day of his life by saving Uncle Ford from the evil aliens from UFO, but to his shock, she finds out through walkie-talkie. 
Mabel shows her great distress to her brother, she says it was the worst day of her life, saying that they are going to be 13, summer ends and she has to left everything behind forever. Mabel infuriatingly tells Dipper that he is the one that promised her that he will always be with her. Heartbroken, Mabel wants that the summer could last forever. Dipper sympathetically apologizes to his sister, saying that he will ever come to them always. Dipper attempts to comfort her, saying that the time can't be frozen, because that's the part of growing up, things change and summer ends. Mabel grabs her backpack, runs away to the woods, crying, with Dipper begs her to come back.
Mabel is above the tree, sitting, she realizes she grabbed the wrong backpack, much to her annoyance. She laments until "Blendin Blandin" unexpectedly arrives and asks her the globe that could change reality, and summer could never end. However, she is unaware that Blendin is actually Bill Cipher! He broke the globe, unleashing the monsters from Weirdmageddon.
In the basement, Ford notices Dipper comes back to his lab. Seeing his grandnephew's upset expression, Ford realizes that Mabel didn't liked it. Dipper is disappointed that he did the wrong choice by choosing to be Ford's student and for breaking his sister's heart. However, to their horror, they see monsters come out from the unknown portal in the sky. Ford declares that the Weirdmageddon begins as the episode ends.
==Voice Cast==
*Kristen Schaal - Mabel
*Jason Ritter - Dipper
*Alex Hirsch - Stan Pines, Soos, Bill Cipher
*Linda Cardellini - Wendy
*T.J. Miller - Robbie
*J.K. Simmons - Ford Pines
*Carl Faruolo - Grenda
*Michael Rianda - Lee, Thompson
*Niki Yang - Candy
*Justin Roiland - Blendin Blandin
*Matt Chapman - Additional Voices
==Trivia==
*It is revealed in this episode that Dipper and Mabel's birthdays are on August 31, as seen on the flyer for the twins' party.
*At the end of this episode, Bill, possessing the body of Blendin Blandin, shatters the rift, beginning Weirdmageddon.
*Doge appears on the calendar when Mabel is talking about Soos, Grunkle Stan, her, and Dipper's big day.
*Right before Bill reveals himself and comes out of Blendin's body, he falls on the rift, but later, it is bare. Also, Bill took off his glasses, but when he is rising to the sky, Blendin is wearing his glasses again.
==Gallery==
S2e17 vin key bleu note.jpg
S2e17 dead alien-2.jpg
S2e17 something greater.jpg
File:Dipper and Mabel vs. The Future (1).jpg
File:Gravity Falls- D&MVSTF (Bill, Dipper, & Ford).webp
S2e17 BillNRealm.png
==External links==
*Gravity Falls Wiki: Dipper and Mabel vs. the Future
nl:Dipper en Mabel tegen De Toekomst
pl:Dipper and Mabel vs. the Future
pt-br:Dipper e Mabel vs. o Futuro
Category:Gravity Falls episodes
Category:Birthday productions