Template:DYK


 * ...Dipper's duffel bag has the word "Piedmont" on it in the first scene of the opening credits?
 * ...that the show is based on Alex Hirsch's childhood?
 * ...that the character of Mabel is based on Ariel Hirsch, Alex Hirsch's sister?
 * ...that Grunkle Stan has a tattoo on his back?
 * ...that most of the writers from Cartoon Network have worked on Gravity Falls?
 * ...that Dipper got his nickname from the birthmark on his forehead in the shape of the Big Dipper constellation?
 * ...Manly Dan the Lumberjack is Wendy's dad?
 * ...Dipper is five minutes younger than Mabel?
 * ...Dipper's real name has never been revealed- Dipper is his nickname?
 * ...Robbie was not captured during the ghost incident?
 * ...Dipper wants to be called Tyrone?
 * ...Mabel's grappling hook is a play on The Legend of Zelda? As in pulling it out of a "chest," twirling and holding it up?
 * ...that 'Lil Gideon is on the back of the magazine Dipper is reading in "Legend of the Gobblewonker"?
 * ...the end credit code for episode 9 "The Time Traveler's Pig" reads "Not H.G. Wells Approved", since Herbert George Wells wrote the novel The Time Machine?
 * ...some characters, like Dipper and Mabel, only have four fingers, others, like Grunkle Stan, have five, and the hand on the journals Dipper and Gideon find has six?
 * ...Wendy's last name is Corduroy?
 * ...clones 3 and 4 from "Double Dipper" never returned?
 * ...Big Foot appears in the woods for a split second in the opening credits?
 * ...that the letter H appears in various locations throughout the Mystery Shack, suchas in the windows and on the neon sign in the living room? They stand for Hirsch, as in Alex Hirsch, the creator of the show. Look for them while watching!
 * ...that Blendin Blandin is voiced by the same person that voices Oscar on "Fish Hooks" and Lemongrab on "Adventure Time"?
 * ...that you can see the time traveler in the background picking up Dipper's dropped items in the episodes he and Mabel "jumped through"?
 * ...that John DiMaggio who voices Manly Dan also voices Bender on "Futurama", Jake from "Adventure Time" and The Joker from "Batman: Under the Red Hood"
 * ...that in "Dipper vs Manliness," during the scene where Dipper is on the Manotaur's back, Sonic Generations music plays?
 * ...that the episode title "The Time Traveler's Pig" is a play on the 2003 novel and 2009 movie "The Time Traveler's Wife"?
 * ...if you pause the theme song when the screen goes back, you see a picture of a triangle shaped creature with one eye, a top hat, a bow tie, and stick arms and legs?
 * ...that Mabel is the only character who's outfit regularly changes?
 * ... that the episode The Hand That Rocks the Mabel is a play on the movie The Hand That Rocks the Cradle?
 * ...that Alex Hirsch gave Mabel a pig in Time Traveler's Pig because, as a kid, his twin sister, Ariel always wanted one?
 * ...that girly, Icelandic pop sensation BABBA in "Dipper vs. Manliness" is based on girly, Swedish pop sensation ABBA?
 * ...that the photos at the end of the theme song give hints to future episodes?
 * ...that in Gravity Falls it was legal to marry woodpeckers?
 * ... that the game Nort in Fight Fighters is Tron backwards?
 * ...that the tree Dipper and Mabel are walking on in a promotional image, is a foot with six toes, which is also the number of fingers on the hand books 2 and 3?
 * ...that Alex Hirsch, the creator of Gravity Falls, voices Stan and Soos?
 * ...that Soos' full name is Jesús?
 * ...that Toby Determined's name is a play on To Be Determined, referencing uncertain material in newspapers?
 * ...that Tambry is voiced by the same person that voices Flame Princess in "Adventure Time"?