Movies are full of little details that writers and directors want you to notice to help you feel immersed in the world and the plot.

But sometimes they add moments that connect the movie to the outside world, and let the astute viewer know that the movie is aware of itself and its place.

But while some movie easter eggs are well known, others are much harder to catch. Here are 20 movie easter eggs you hopefully haven't seen before.

In “Saw: Spiral” the cold case room door says “Vincent & Jules,” which are the names of John Travolta and Samuel l. Jackson’s characters in “Pulp Fiction.”

“Jeremiah Johnson,” (1972), and “The Revenant,” (2015).

In “Godzilla vs Kong,” the pilot's helmet on the aircraft carrier says Hirota. Bryan Hirota did the visual effects for the film.

The genie’s lamp from “Aladdin” makes a quick cameo on Tamatoa’s shell in “Moana.”

In “Little Italy,” Emma Roberts wore the same T-shirt as her aunt Julia wore in “Mystic Pizza.” Both movies were directed by Donald Petrie.

In “Captain Underpants: The First Epic Movie,” the elementary school is named after one of the Three Stooges Jerome Lester Horwitz, or by his nickname Curly Howard.

In “Godzilla Vs Kong,” the university Nathan Lind is working at is called Denham University, named after Carl Denham from the original King Kong.

In “Enchanted,” the news reporter Mary Ilene Caselotti is named after three actresses who voiced Disney Princesses: Mary Costa, (Sleeping Beauty), Ilene Woods, (Cinderella), and Adriana Caselotti, (Snow White).

This small nod to the creator of “Candyman” in “Candyman.” Burke is seen reading Clive Barker, who also wrote “The Forbidden,” the original “Candyman.”

Director Sam Raimi finds a way to slip this car into every film he does. Uncle Ben drove one in “Spiderman” 2002.

In “Glass Onion,” the Hourly Dong was voiced by Joseph Gordon-Levitt. He has a cameo in all of Rian Johnson's movies as a running gag.

“In the Heights.” As Nina's father Kevin is on the phone with the Stanford financial office, the hold music is the melody from the song "You'll Be Back," which is from “Hamilton.” Miranda is also featured as the Piragua Guy in the film.

In “Bill and Ted Face the Music,” the duo must save the world by 7:17pm which is 19 hours and 17 minutes into the day. Converted into seconds, it's 69,420.

In “The Lord of the Rings: The Fellowship of The Ring,” after the hobbits fall down a hill, Sam asks "A shortcut to what?" and Pippin says "Mushrooms!" In the original book, chapter four is called "A Short Cut to Mushrooms".

In the opening scene of “The Breakfast Club,” Dr. Hashimoto is the production supervisor on the movie.

In “Spider-Man: Across the Spider-Verse,” a billboard near Spot's apartment references “Everything Everywhere All At Once.”

In “Scream 6,” a man in a Mojo Jojo costume passes the main characters. The voice actor for Mojo Jojo from “The Powerpuff Girls” also does the iconic Ghostface phone call voice.

In Bender's Big Score, Al Gore loses the 2000 election because of (time-traveling) Bender. Years later, we find Gore driving a cab, with call number 543895; Gore's lead in the popular vote.

The characters from the 1983 Dungeons and Dragons cartoon are in the 2023 movie!

In “Spider-Man: Across the Spider-Verse,” Miles's roommate is playing the upcoming Marvel’s “Spider-Man 2” for PS5. Confirmed by a developer at Insomniac.