It was a year since the Pine twins spend their summer vacation in gravity falls. When they came back home they ask their parents they can come back every summer. And they said yes. Dipper and Mabel are currently on the bus there.
Mabel: " Yeah!" she scream " we're finally going back to gravity falls".
Dipper: "Mabel do you want us to get us kick out the bus because of your screaming"
Mabel: but dipper I'm so excited about going back to the place that mean so much to us"
Dipper: I'm excited too. I'm just too stress because I want to ask Great uncle ford to be his apprentice again.
Mabel: "Dipper ford will Gladly take you as your apprentice your both supernatural-ly super dorks"
Dipper: thanks Mabel.
Hours later they finally arrival at Gravity falls. It look brand new since it was rebuild after weirdmegeddon was over with. then the twins went to the shack. The shack was in really bad condition. But that not new information. Then a familial face pop out the door to greet them.
Stan: "welcome to the mystery shack again". "Oh my back".
It was Grukle Stan. As he fell down on the floor in pain but Quickly got back up.
Stan: "it's great to see you kid's again. Soos and Wendy was excited when they heard your coming back".
Dipper: "Really" said Dipper in a excited voice. "did she miss me that much?"
Mabel: "so grunkle Stan. What Family activity are we doing for today".
Stan: oh my brother has a special activity you be doing all summer".
Both Dipper and Mabel are confuse and wonder what Stan said.