Eastwood's 2014 Best Picture had impressive visuals and sound, but was marred by a notorious fake baby in a scene where Bradley Cooper played a Navy SEAL cradling it tenderly.
"Once Upon a Time in Hollywood" made a mistake by showing Leonardo DiCaprio's character flying on a Boeing 747, which didn't exist in 1969 when the movie was set.
A crew member's hand can be seen holding onto one of the velociraptors in "Jurassic Park" during the scene where they chase the children through the kitchen.
In "Avengers: Endgame," the Russo brothers overlooked a mistake where multiple versions of Paul Rudd's Ant-Man are shown in different sizes at the same time during the finale battle, despite fan theories trying to explain it.
Dustin Hoffman's character drives the wrong way on the top deck of the Bay Bridge in San Francisco in the movie, on his way to Berkeley.
In "Spider-Man" (2002), Peter Parker accidentally breaks a lamp while testing his powers, but in the next shot, the lamp is shown fixed when his aunt comes into the room.
A camera operator appears in a fight scene between Sean Penn and Esai Morales in a juvenile detention center, adding unintentional comedy to the scene.
Lily Potter's eye color in "Harry Potter" is inconsistent as she is shown to have brown eyes as a child, despite it being stated that Harry inherited his mother's blue eyes.
In "Back to the Future," Marty McFly plays a Gibson ES-345 guitar at his parents' 1955 prom, but the guitar wasn't actually produced until 1958, creating a plot inconsistency in the movie.
In "Batman Returns," Michael Keaton's makeup is missing when he meets Michelle Pfeiffer's Catwoman without his mask, creating a continuity error.
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