The show is about twins Dipper and Mabel Pines, who spend their summer at their Grunkle Stan's Mystery Shack, in the town of Gravity Falls, Oregon, where they solve mysteries and face many paranormal phenomenons. In the interactive game in Instagram " Rick and Morty Rickstaverse ", by going into the federal prison, in a room there's a monitor with an image of Bill Cipher and the symbol of Journal 3. In the Gravity Falls episode " Society of the Blind Eye ", the episode's ending credits gag reveals that Stan is the one losing those three exact things , by having them get sucked into a Universe Portal. Also in the opening dimension, there are statuettes of what appears to be the Truth Tortoise holding up a triangle with the All Seeing Eye. While Morty tells her this, in the background for a few small frames are a pair of Morty twins : a boy and a girl.
Later in the same story, Mr.
Dipper and Mabel Mortys
The boy is wearing Dipper Pines' s pine tree hat while the girl is wearing Mabel Pines' s headband and hairstyle. One of the portals has a mug with a question mark , a pen and a notepad come out of it. This could be a reference to Gravity Falls character Bill Cipher, with the triangle having the same eyelashes as him. Morty explains to Summer that this is where all the Ricks and Mortys from multiple alternate worlds hide from the Galactic Federation.