Following the previous episode, Stan almost opened the portal and decides that no one's going to stop him, and everything's going to change...tomorrow.
Next morning, the twins and Grunkle Stan playing with fireworks as Stan walks away, nervous to tell the kids about his secret. Moments later, FBI agents, Powers and Trigger arrive and arrest Stan, much to the twins' shock! They are shocked of seeing Trigger and Powers, after believing them to be dead as a victim of zombies in the last episode, which the men explain that they have survived and arrest Stan for stealing the radioactive waste. Trigger take care of the kids, while the agents take Stan into custody.
In the custody, Stan calls Soos, who's on a panic food for hearing Stan arrested, until his boss tells him to protect the vending machine in the gift shop (which is actually a secret hideout), Soos heads off to the Mystery Shack.
Meanwhile, Dipper and Mabel are confused with their uncle being a criminal. They made it crash after making themselves being ran over by Manly Dan. Trigger explains that Stan is the one bad guy, they disbelieve it and leave back to the Mystery Shack.
They return the shack after the twins found out that in the VCR cassette is Soos dances like a worm and Stan works, twins relieved that he is innocent. But their relief quickly turns into concern after Stan gone for a whole night. Then to their shock and horror, they realize that he took the radioactive waste and found the fake ID's, they wonder why would Stan do this, until they find a newspaper says:"STAN PINES DEAD", they are horrified to learn that their Grunkle Stan...isn't...Stan?!
They wonder how much they know about their grunkle until they find a code to a hideout, which Mabel realizes that it's the vending machine.
Back in the custody, another gravity arrives as Stan uses it as a distraction and escapes. He leaves back to the mystery shack as FBI agent start their hunt on Stan.
Meanwhile, the twins find Soos and they have entered the basement. They also found three journals as enraged Dipper asks why does Stan have to do it. They read the from ultraviolet flashlight, they realize that if the countdown ends to the zero, their universe is doomed. Suddenly, the final countdown begins, Soos panics as Dipper realizes that FBI agents were right and they have to shut down the machine. They enter the portal room, where portal unleashes it's rage around as the lightning rages on. They found the button. Dipper decides that this all stops now as he was about to push the button.
Right before he pushes the button before the countdown ends, Stan quickly arrives at the scene and frantically begs him not to push the button. Another gravity begins, Mabel is closer to the button as she flies off to push the button, Stan tries to stop the girl, only to be grabbed by Soos. Stan furiously asks Soos what is he doing, since he gave him an order to protect the vending machine, with Soos explains that he has a new mission: protect the twins. Furious, Dipper smacks Stan down as enraged Dipper and Soos apprehend him. Mabel doesn't know how to believe, after a brief talk, she closes her eyes, lets go and lets herself to float, as she trusts Stan, much to Dipper's dismay.
However it was too late. The countdown ends as the portal activates, ending up destroying, the explosion engulfs the Mystery Shack, but instead, it happened few seconds, gravity stops as the twins, Soos and Stan fall. By the time as the twins, Soos and Stan recover, all of a sudden through a portal, the hooded man enters he has six fingers. Stan says it's the author of the journals. The man uncovers his hood, as all learned that the author was Stan's long lost brother, all watch in awe and shock. Mabel asks somebody has to faint as Soos does so as the end credits shows two brothers, swinging as the episode goes to another to show a tale.
- Written by:
- Shion Takeuchi
- Josh Weinstein
- Jeff Rowe
- Matt Chapman
- Alex Hirsch
- Directed by:
- Stephen Sandoval
- Storyboarded by:
- Sabrina Cotugno
- Alonso Ramirez Ramos
- Dana Terrace
- Luke Weber
- Additional Written Material by:
- Zach Paez
- With the voice talents of:
- Kristen Schaal as Mabel Pines
- Jason Ritter as Dipper Pines
- Alex Hirsch as Stan Pines, Soos Ramirez, and Old Man McGucket
- Brad Abrell as Agent Trigger
- Jennifer Coolidge as Lazy Susan
- Nick Offerman as Agent Powers
- John DiMaggio as Manly Dan
- Linda Cardellini as Wendy Corduroy
- Will Forte as Tyler Cutebiker
- Kevin Michael Richardson as Sheriff Blubs
- Additional voices:
- Casting by:
- Sara Jane Sherman