21The Chamber of Secrets
In Harry Potter and the Chamber of Secrets (2002) before Harry gets sucked into Tom riddles diary, he’s in a candlelit room. When he’s in the diary, everything is in black and white yet, we can still see the candlelight flickering on his body
In Independence Day (1996) they filmed Will Smith dragging the alien across the salt flats of Utah. Will Smith improvised the "And what the hell is that smell?" Nobody warned him of the horrible smell that sometimes comes of the Great Salt Lake due to billions of dead brine shrimp each year.
In Fight Club (1999), when Edward Norton's Character receives a call from Tyler Durden. There's a sign on the phone booth stating “No Incoming Calls Allowed” indicating that it’s not possible to receive incoming calls.
In the film Rat Race (2001), the first cow Seth Green hits whilst hanging from a hot air balloon has a map of the world as its spots.
25Revenge of the Sith
R2-D2 trips a battle droid in the background in Star Wars: Episode III - Revenge of the Sith (2005).
In Avengers Endgame, Thor's opening attack with Stormbreaker was aiming for Thanos' head, following his advice from Avengers: Infinity War.
27Deathly Hallows Part 2
The hug that Voldemort gave to Draco, in Harry Potter And The Deathly Hallows Part 2 (2011), was entirely improvised. Hence the awkwardness from both actors.
In the movie "Bean", Mr. Bean's first name on his passport is "Mr."
29Cloudy with a Chance of Meatballs
During the food storm in “Cloudy with a Chance of Meatballs” (2009), a man loots a TV, then a TV loots a man.
Marlon Brando refused to learn his lines for Superman (1978), so he instead read them off baby Superman’s diaper. He earned $2.25 million for 10 minutes of screen time.