Many years have passed since Vermageddon, and many things have changed. Everyone has grown up, Bill has returned and become kinder, even Mabel has found herself a boyfriend! But one thing has remained unchanged, namely Ford's hatred of Bill. He could not be with him even for a minute, they were constantly arguing and fighting. But thank God there was Dipper who was constantly measuring them, and this certainly helped. Bill could not argue with his boyfriend, and Ford with his nephew. Yes, Bill and Dipper got together, and became a full-fledged couple. They even began to live together, and after some time they came to Gravity Falls after a very important event.
Gravity Falls 11:34, Bill was taking things out of the car while Mabel and Dipper were talking, she already knew about what happened and kept everything a secret. When Bill packed all the suitcases, they went into the Mystery Shack, where they were met by Ford and Stan. They hugged Dipper and welcomed him warmly. Five minutes after the greeting, Dipper brought up the very important topic that they came here for.

Dipper: Ahem, ahem.. Uncle Ford, I really hope you'll take this well. Dipper went to the car and came back with a small child in his arms, obviously his
Dipper: I gave birth a week ago, which is why I couldn't come to you for a year. And here is my son, Lynn Cipher. Bill walked up to his son and patted his head, while Ford stood in a stupor

Ford: Dipper.. You gave birth? How.. How is that possible-...? (Plus they are also engaged)