![Don't Know Where, Don't Know When [Gravity Falls/Mystery Kids FANFIC] by ChillyMillie13](https://img.wattpad.com/cover/124964137-512-k939074.jpg)
#1
Don't Know Where, Don't Know When...by ChillyMillie13
553
10
15
5531015DISCLAIMER!- I DO NOT OWN GRAVITY FALLS OR THE MYSTERY KIDS AND THE STORIES THEY ALL CAME FROM! I JUST OWN THE PLOT.
After an incident in an abandoned laboratory that re...