How have I never noticed these?!
In Grease, Vi tries to turn off the light with her elbow, but she completely misses. A second later, the lights somehow turn off anyway.
In Miss Congeniality, Cheryl beats Gracie with the rose bouquet, and the petals fall off. A few seconds later, the red petals magically reappear.
Warner Bros. Pictures
In Harry Potter and the Chamber of Secrets, you can visibly see a cameraman in the shot during Harry and Draco’s dueling scene.
In Hitch, Will Smith’s character has an allergic reaction, and only one side of his face swells up. Later on in the night, the swelling switches to the opposite side.
In Soul Surfer, they wrapped green tape around AnnaSophia Robb’s arm to digitally remove it from the movie, but in the trailer you can see where they forgot to edit it out.
In Dirty Dancing, Johnny is supposed to be driving, but if you look closely at the gear shift you can see that the car is actually in park.
—Trish Skidmore, Facebook
Great American Films
In Willy Wonka, Grandpa Joe is bedridden for 20 years, yet he somehow manages to leave and buy Charlie a chocolate bar for his birthday without anyone noticing.
In Avatar, the Na’vi are supposed to be 10-feet tall, but at the end of the movie Jake’s hand fits perfectly when cupping Neytiri’s face, which should be disproportionately much larger.
20th Century Fox
In The Fifth Element, right before Leeloo escapes, you can clearly see the outline of the glass where she’s about to punch through.
In Twister, debris crashes through the windshield of the car, but in the next cut the windshield is magically fixed.
In The Wizard of Oz, Dorothy is about to leave with The Wizard, but Toto runs off. She chases him and asks for The Wizard to stay, but you can see the Tin Man untie his balloon and then act surprised when it starts to fly away.
In Frozen, Elsa’s hair passes directly through her shoulder as she sings “Let It Go.”
In She’s All That, Taylor gets a heart tattoo on her left shoulder, but later on her tattoo mysteriously disappeared at prom.
—Katherine Ellis, Facebook
In Never Been Kissed, Josie and her friends make a giant poster with the number pi on it, but they recite pi incorrectly. It’s actually 3.14159.
Fox 2000 Pictures
In Legally Blonde, Elle gets into the elevator, but Vivian chases after her to stop it. However, because of Vivian’s reflection, you can see that she was waiting there the whole time for her cue.
—Marvin J. Norfleet, Facebook
In Return of the King, Frodo gets caught in Shelob’s webs. Sam finds him and presumes he’s dead, but throughout the scene Frodo’s eyes go from open, to closed, and back to open again.
New Line Cinema
In Ocean’s Eleven, Brad Pitt’s shrimp cocktail container changes from a glass, to a plate, and then back to a glass again.