In the Rugrats Movie (1998), Angelica tells Spike the dog "You know, not all dogs go to heaven". This is a reference to one of the film's writers, David N Weiss, who also wrote "All Dogs go to Heaven".
In Girl You Know It's True (2023), at the lowest point of Rob's life when he's on the streets, he's wearing Fab's jacket that he asked constantly to wear when they first started out.
In Pulp Fiction (1994) Vince is shown throughout the film to be a high-functioning heroin addict. His heroin consumption causes him to suffer constipation, which leaves him on the toilet long enough for Butch to kill him.
The funeral scene in "Amadeus" (1984) uses the movement Lacrimosa, from the piece Requiem. Mozart was commissioned to write this piece but became quite ill and came to believe he was writing his own funeral soundtrack. Requiem was an unfinished piece and his final work
In Boogie Nights (1997) Rahad Jackson decides not to play Russian roulette after being discouraged by his guests, he later begins shooting at them and has to shoot twice at Todd before the chamber with the cartridge aligns with the barrel.
In Godzilla x Kong: The New Empire (2024) around the 1 hour 33 minute and 20 second mark it sounds like a soundbite from Jurassic Park is used: specifically the velocoraptor call.
In happy death day 2U (2019), Tree’s T shirt is slightly different in the alternate universe: in the original her shirt has the word “nightclub” on it, but in the AU it says “New Orleans”. It’s been confirmed this is because in the AU, her mother had more influence on her mindset.
In The Conjuring 2 (2016) during the opening montage of 1977 London, a quick second shot of Piccadilly Circus shows a billboard of The Exorcist II: The Heretic (1977) which is owned by Warner Bros., owners of The Conjuring franchise
In the movie Hirak Rajar Deshe(1980) by Satyajit Ray, The man shown here is an evil greedy scientist who makes a brainwashing machine which has a star on it resembling the star of david, some would call me anti semitic but this is just the plot of the movie
Inglourious Basterds (2009) in the tavern scene, Lt. Hicox's card is Brigitte Horney, a German actress that starred in British film. This shows that the Gestapo Major, who wrote the card for Hicox, might already suspect that he is British.