Casual moviegoers may catch a glimpse of a special scene or feature if they're willing to stick around while the closing credits roll, but movie buffs take the hunt for hidden images and nods to other productions to a new level — often referring to these as "easter eggs."
During the past few decades, Disney Animation and Disney Pixar have created more than enough "easter eggs" to keep fans on the lookout and eager to share their finds.
In fact, Disney released a video on its YouTube channel revealing some of these "easter eggs," showing how parts of the Disney universe are linked together.
Listed here is a non-comprehensive collection of some of these "easter eggs."
This list was updated Sept. 14, 2017.
The Lady and the Tramp appear in the “Midnight Bark” scene of "101 Dalmatians." Lady is in the foreground, and Tramp is to the right.
Toward the end of "101 Dalmatians," Jock the Scottish Terrier from “Lady and the Tramp” joins in the Twilight Bark.
According to Finding Mickey, this image of Bambi and his mother appears during the song "Someone's waiting for you" in "The Rescuers."
The king and the grand duke from "Cinderella" are present in the wedding scene between Eric and Ursula, who is disguised as her human alter ego Vanessa.
The Genie finds Sebastian from "The Little Mermaid" in his "Royal Recipes" book, and a snippet of "Under the Sea" plays.
The Beast from "Beauty and the Beast" is among the trinkets the Sultan is stacking before Jafar bursts into the room and causes the toy tower to fall.
When Aladdin tells the Genie he'll use a wish to set him free, Genie reacts with "Yeah, right" and a Pinocchio impersonation.
Belle from "Beauty and the Beast" is seen near the lower right corner in a crowd scene when Quasimodo sings "Out There."
While Hercules poses for a vase painting, he wears the pelt of Scar from "The Lion King."
In "The Lion King," Zazu mentions Scar would "make a very handsome throw rug."
The Pizza Planet truck from "Toy Story" makes an appearance in almost every Pixar film, according to The Huffington Post.
Here, the truck is parked to the left of the trailer where bugs resist the lure of an electric bug zapper.
Terk uses Mrs. Potts and Chip from "Beauty and the Beast" to make music in the "Trashing the Camp" scene.
The toy repairman who fixes Woody in "Toy Story 2" first appeared in the 1997 Pixar short "Geri's Game."
The book Mrs. Potato Head reads to the Toddle Tots shows a scene from "A Bug's Life."
While Kronk converses with the chef at Mudka’s Meat Hut, the Brave Little Toaster is amongst the cook’s belongings as he packs to leave.
Boo hands Sully a toy in "Monsters, Inc." that looks like Nemo. The film "Finding Nemo" wasn't released until 2003, two years later.
Boo also gives Sully a Jessie doll, from "Toy Story," along with the Pixar ball.
When Randall rushes into a room while chasing Mike, Sully and Boo, a Nemo figure can be seen just beyond the child's door. This one is tricky. Look closely.
Randall ends up in the trailer from "A Bug's Life" after opening a door in pursuit of Mike, Sully and Boo.
The Pizza Planet truck is again parked to the left of the trailer.
A poster of Mulan hangs in Lilo's bedroom in Disney's "Lilo & Stitch."
In the closing credits of "Finding Nemo," Mike Wazowski swims by with flippers, a snorkel and a one-eyed goggle.
When Gil is describing his escape route in "Finding Nemo," the Pizza Planet truck from "Toy Story" can be seen through a plastic bag.
As Darla visits the dentist office, a view of the waiting room is shown. Buzz Lightyear from the Toy Story series lies on the ground.
During the same dentist office scene, a comic book of Mr. Incredible from “The Incredibles” is held by the boy in the dentist’s waiting room.
Kenai charges through a fishing net on a wooly mammoth, releasing salmon and a shocked Nemo.
While Mr. Incredible fights Syndrome's Omnidroid, a shot shows a faceless Doc Hudson from "Cars" parked on the left.
"The Incredibles" was released two years before the "Cars" release date in 2006.
At the very beginning of the film, one of the RVs has the Jackalope from the Pixar short “Boundin’” painted on its back.
The shadow of Dug from "Up" is seen when Remy from Ratatouille sneaks into a house.
"Up" was released two years after Ratatouille in 2009.
Bomb Voyage, a villain from the beginning of “The Incredibles,” can be seen performing for kids on the street as Linguini and Colette roller skate by.
The Pizza Planet truck from "Toy Story" appears in "Wall-E" when Eve scans it while searching through trash.
Mike Wazowski is hiding in Wall-E’s storage compartment.
A little girl is seen with the Pixar ball while Lotso from "Toy Story 3" sits by her bed.
Lotso's appearance comes a year before the "Toy Story 3" release date in 2010.
In the top right corner, a woman shakes out Aladdin's magic carpet during the opening scene of "The Princess and the Frog."
A scene in "Cars 2" mimics the town square where Gusteau's restaurant from "Ratatouille" is located.
The restaurant name in this scene, "Gastow's," is also a tribute to the French chef from "Ratatouille."
In the center of this scene is a three-legged spinning wheel, a tribute to Disney's classic "Sleeping Beauty."
In the top right above Flyn Rider, the puppet Pinocchio is sitting in the rafters.
The Pizza Planet truck makes an appearance on the table of the witch from "Brave."
In the animated short “Partysaurus Rex,” a toilet seat cover resembles the fur of Sully from “Monster’s, Inc.” inside of Bonnie’s bathroom.
Tiny the Tyrannosaurus Rex from "Meet the Robinsons" is seen walking through Game Central Station as Ralph travels back from Pac-Man’s video game.
During the same scene as Tiny’s cameo, Cinderella and Belle are walking with each other in Game Central Station.
The Pizza Planet truck is parked on the left side of the Jaws Theta Chi fraternity house during the party scene in "Monsters University."
In Disney's latest film, "Frozen," Rapunzel and Eugene from "Tangled" make an appearance during Elsa's coronation in the lower left corner.
Early in the movie during Elsa's coronation, Tiana from “Princess and the Frog” is a spectator in the crowd.
While Hiro is trying to file his police report, a wanted poster of Prince Hans Westergaard from "Frozen" hangs on the bulletin board.
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