Gravity Falls Review: “Dreamscaperers” (S01E19) | Up On The Shelf
Stan's mindscape/Gallery | Gravity Falls Wiki | Fandom
Gravity Falls S1 E19 "Dreamscaperers" / Recap - TV Tropes
Posting "What If...?" scenarios for each episode of Gravity Falls Day 19: "What If...Bill had decided to trap the gang in Stan's mindscape?" ("Dreamscapers") : r/gravityfalls