List of allusions/Shorts

Candy Monster

 * The "Mobius Chicken Strip" is an allusion to the Möbius strip.

Stan's Tattoo

 * One of the "secret society symbols" is Oroborus, a serpent eating its own tail, in a lemniscate.
 * Another one of the secret societies of "owl worshipers" alludes to the Bohemian Club, which "worships" a 40 foot owl statue at Bohemian Grove, ironically located not too far from Piedmont, CA.

Mailbox

 * The mailbox tells Dipper that the end of the world is in 3012, this is a reference to the apocalyptic theory based on Mayan calendar that the world would end in 2012.

Lefty

 * Mabel's theory that the man was a "half man, half lizard man," is a reference to the Reptilian conspiracies.

Tooth

 * Bear-O is based off of Billy Bob Brockali of the animatronic band, The Rock-afire Explosion.

The Hide-Behind

 * The Hide Behind creature is a reference to a creature from American folklore know as the Hidebehind.

Mabel's Guide to Stickers

 * The Aztec text's story about a talking dog is a reference to the 1997 movie Air Bud and its sequel, including Air Buddies and Santa Buddies.
 * Mabel's scrapbook cover has a sticker of Kilroy looking over a watermelon and with the world "smile".

Mabel's Guide to Fashion

 * Mabel makes over Soos to look like Jareth, the Goblin King, the main antagonist of the 1986 fantasy movie Labyrinth.

Mabel's Guide to Color

 * Mabel's sweater is a reference to the cover of Pink Floyd's 1973 album The Dark Side of the Moon.
 * The name of the wizard "Crayondalf" who gave the world color is very similar to the name of the wizard Gandalf from The Lord of the Rings.

Mabel's Guide to Art

 * Mabel's costume while experimenting on flight, and the words "Amelia Awesomeheart" is a reference to American aviation pioneer, Amelia Earhart.

Fixin' It with Soos: Golf Cart

 * Soos' last line, "I make my own economy," could be a reference to the opening scene of Shakespeare's play Julius Caesar. In that scene, there is a parade going on to honor Julius Caesar. A cop asks a shoemaker about the parade, and the shoemaker says he started it. He reasons that if people are marching in the parade, they will wear out their shoes, allowing him to step in and make new ones.

Fixin' It with Soos: Cuckoo Clock

 * While Soos' computer is rendering his video, the mouse pointer is identical to Apple's spinning pinwheel.

TV Shorts 1
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TV Shorts
The title screen is a reference to The Fresh Prince of Bel-Air, hence the colors of the spray paint.

Mabel's Scrapbook

 * Both shorts start with Mabel in a rocking chair by a fireplace, an homage to Masterpiece Theatre.

Mabel's Scrapbook: Heist Movie

 * One of the films playing at the movie theater is called "Toy Storage 2," a reference to the Disney/Pixar film Toy Story 2.
 * The Ragtime Theater is a reference to the Ragland Theater in Klamath Falls, Oregon.

Mabel's Scrapbook: Petting Zoo

 * The picture of Mabel surrounded by dogsled dogs is in the exact arrangement of one of the posters for the 2002 Disney movie Snow Dogs, with Mabel taking the place of the Cuba Gooding Jr. character, Ted Brooks.