The Week After Gideon Rises.
Dipper finally found the place of importance, the place that started his adventures in Gravity falls. Book 3's hiding spot! Summer wasn't over, yet he felt ready to go back to school because after his fight with Gideon he lost his passion of adventure. The events of the summer so far was thrill enough so he felt like he needed a push back into action. What better place than where it begun? But little did he know that the push he wanted would come and throw him and his friends into a universe without limits some might say the final frontier.