Universe Falls

"Yeesh, that car's not gonna drive again. What happened?" Beanie asked, pointing to the mess.

"I don't think you would believe me, if I told you." Steven chuckled, sweat trickling down his forehead.

"I seriously doubt that." Trench coat replied, deadpan.

"Err, alright. Sooo, I was driving down this road, when I hit something and I stopped. Nothing was there, and thought the view was really beautiful, so I a picture. Then I heard a really large crash, and when I turned around, my car was being crushed by a giant tree-hand. I got a nice picture though."

"Oh, that's just Steve." Trench coat said, standing up.

"W- what?"

"Steve. It's a tree giant. It does that sometimes." He shrugged, fixing the glasses on his nose.

"It's best not to think about it too much." Beanie replied, standing in front of his twin as he began talking about that time 'Steve' threw a dear at it once.

OR

Stranded in Gravity Falls, Steven is hired by the Mystery Shack, and chaos and mysteries ensue