Life In Gravity Falls

The Hand That Rocks - Part One

"Hey, pass me the chips, will ya?" Grunkle Stan asks you, holding out his hands. You reach down and pick the bowl of potato chips up off of the coffee table to hand to him.
"Don't you just love movie marathons?" Dipper asks with a smile from your right.
"They're so awesome!" Mabel exclaims from your left. She looks at you. "Which one's your favorite?"
"Hmm. I'm going to have to go with Tiger Claw, just because it's so cool." you answer.
"Nice." Mabel replies.
You look back over at the movie, which is now on a commercial break. The sound suddenly gets louder, and the four of you instantly quiet down to watch what looks like a pretty interesting ad.
"Are you depressed?!" the television basically screams.
It then shows a picture of a man crying. The man looks up and exclaims: "Yes!"
"Then come on down to the Telepathy Tent, and visit Lil Gideon! He's a psychic!"
The ad fades out and the movie comes back on.
"That little business thief." Stan growls, throwing a chip at the tv. "Ever since he moved to town, our business has been getting smaller everyday."
"There's no way that someone can be psychic." Dipper states skeptically. "It's not possible."
You raise your eyebrows at him. "With all of the crazy stuff we've seen lately, I think it's pretty possible."
"Maybe we should go see one of his shows." Mabel suggests.
"Nuh uh!" Grunkle Stan points at the three of you, standing up. "None of you are ever going to step foot under a roof of Lil Gideon!" and with that, he turns around and stomps out of the room.
Everyone is silent for a few seconds.
"...Do tents have roofs?" you ask.
Dipper smiles. "I think we just found our loop hole."
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You ended up getting Soos to drive you, since he wanted to see the show too.
Once you arrive, you get out of the car and look around. "No wonder Stan hates this guy." you mutter. "This place is almost exactly like the Mystery Shack."
"They even have their own 'Psychic Sack', which looks just like Stan's 'Sack of Mystery'." Dipper points out.
You walk into the tent and sit down in the front row.
"Oh my god." Mabel points to your right. "They even have their own Soos."
You look over to see a man who significantly resembles Soos, but is slightly larger and has longer, dark brown hair. Soos glares at the man and takes a bite out of his taco, which you just now realize he has.
Then the lights dim, signaling the beginning of the show.
"Now lets see just what this monster looks like." Dipper says quietly, chewing on his pen.
The curtain slowly opens, revealing - a little kid? It's a short, chubby boy with pale skin, freckles, and giant white hair that's bigger than his head. He's wearing a light blue suit, with a green orb attached to his black tie.
"Hello folks!" the kid exclaims. "I'm Lil Gideon, child psychic. And I predict that you will all soon say 'awwww'!" Giddeon then strikes a pose, putting his finger on his cheek and his other hand on his hip.
"Awwwww!" the entire audience coos. Well, the entire audience except for you, Dipper, Mabel, and Soos.
Then - get this - the kid starts singing. He puts one hand on his tie and sings, "Everybody stand up!" Which you all do. You weren't trying to, though. It's like some force from behind pushed you into a standing position against your will. You can tell that the same thing happened with Dipper, because he mutters, "What the..." under his breath.
Gideon then jumps off of the stage, still singing and walking around until he comes to a stop in front of your row. "I'll read your mind if I am able!" he sings, then points one of his little sausage fingers at Mabel. "Somethin' tells me, your name's Mabel!" he winks.
You nudge Dipper's arm and whisper, "Gee, how'd he figure that out?" you gesture towards Mabel's sweater, which says 'Mabel' right across the front. Dipper nods and smiles. Mabel, however, looks completely amazed. Her eyes are wide, and her jaw is drops open. Dipper reaches over and closes her mouth for her.
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"That was so awesome!" Mabel exclaims, pacing around the mystery room. She's been pacing back and forth for about ten minutes now, and it's starting to get annoying.
"No it wasn't, Mabel. It was a fraud." Dipper leans back on the couch and stares at the ceiling. "There must have been something with the seats, something to make them swing upward..." he trails off.
"Pulley system?" you suggest. "Hidden wires? Maybe they're mechanical, and, uh, there was someone backstage with a remote, and...okay, I give up." You flop down onto the couch next to Dipper.
Just then, the door bell rings.
"Kids, can one of you get that?" Stan calls from downstairs. "I hate socializing and I refuse to get up!"
You sit up abruptly. "Not it!" you yelp.
"Not it!" Dipper yells right after you.
"Wait - I - fine." Mabel grumbles, trudging out of the room.
"Is there anything in the journal that can explain what happened with the seats?" you ask, looking over at Dipper.
"Nope." he responds dismally. "I already checked. Twice." 
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You and Dipper spend the next hour throwing and re-throwing ideas back and forth,. You also can't help switching positions each couple of minutes. When Mabel finally comes back, you're on your back on the floor and Dipper is sitting upside-down on the couch.
"Hey, guys!" she skips into the room wiggling her long, painted nails in your face.
You sit up, staring into the face of a girl with lots of makeup on and styled hair. "What happened to you?"
"Yeah, Mabel, you look like a wolverine." Dipper adds, gesturing to her nails as he flips himself right-side-up.
"I've been hanging out with Lil Gideon!" she chirps happily.
"What?!" you and Dipper yell at the same time.