After the Author, Stanford Pines steps out of the portal everything changes for Mabel and Dipper.
Dipper feels alone, betrayed and blames everything on Mabel, Stanley and Stanford are nonstop fighting and arguing. and Bill and Dipper uncover a shocking secret about themselves.
but that's not all the government are after the Pines, Dipper slowly slips away to insanity,
Mabel makes a sacrifice to save Gravity Falls. and oh yeah Gideon is out of prison and plans to take over the world!
"HELLO PINETREE WELCOME TO THE DARKSIDE I'VE BEEN WAITING"
NO PUPPET STRINGS CAN HOLD ME DOWN.
SO PATIENTLY I WATCH THIS TOWN.
ABNORMAL WILL SOON BE THE NORM.
ENJOY THE CALM BEFORE THE STORM!
AND REMEMBER REALITY IS AN ILLUSION
THE UNIVERSE IS A HOLOGRAM
BUY GOLD BYE!