In Coraline (2009), the “welcome home” cake features a double loop on the O in “home.’ According to Graphology, a double loop on a lower case O means that the person who wrote it is lying. There is only one double loop, meaning she is welcome but she is not home.
In Titanic (1997), Jack tells Rose that he went ice fishing on Lake Wissota in Wisconsin. Lake Wissota was formed in 1917 by the creation of a hydroelectric dam on the Chippewa River, 5 full years after the Titanic sank.
In 6 Underground (2019) at 14:42 you can see Ryan Reynolds recording a video for his social media.
4Captain America: Civil War
In Captain America: Civil War, if you look closely on the right side of War Machine’s chest piece, you can see tally marks of kills in the form of tiny Ultron heads, referencing the battle for Sokovia in Age of Ultron.
5Toy Story 4
In Toy Story 4 (2019), a closer look at Buzz Lightyear shows that his stickers are slowly starting to peel away.
In Aliens (1986), the knife trick scene was originally going to be done by Bishop (Lance Henrickson) alone. Henrickson suggested to director James Cameron to have Hudson's (Bill Paxton) hand put on top of his, and Cameron agreed. Everyone on set was told about the change except Bill Paxton.
7The Order Of The Phoenix
In Harry Potter: The Order Of The Phoenix (2007) the girl in white can be seen recoiling in the background; this is because she has bumped into a Thestrel connected to the carriage.
8The Philosopher's Stone
In Harry Potter and the Philosopher's Stone (2001), Wood, who says that the Snitch is "wicked fast and damn near impossible to see", loses track of it, whereas Harry follows it impeccably, proving that he is naturally gifted.
9Revenge of the Sith
In Star Wars Episode III: Revenge of the Sith (2005) some of the coughs that General Grievous makes are actually George Lucas’. They were recorded without him knowing, and slipped into the film by Matthew Wood, the sound editor.
In The Matrix (1999), Neo’s passport expires on September 11th, 2001.