Yeah dude, there are going to be tons of spoilers in this post. H/T Reddit

Signs (2002)

“The scene where the alien walks by at a party. Everyone screamed and jumped.” —UrMomLikesMine

Buena Vista Pictures

Star Wars: Episode V — The Empire Strikes Back (1980)

“The ‘I am your father’ scene. Yes, I’m old and hell yes, the audible gasp in the theater was deafening.” —Cinemaniaque

20th Century Fox

Inception (2010)

“The one that stands out in my memory is the very last shot of Inception. I watched it opening night and the entire audience let out a huge groan.”
—GetFreeCash

Warner Bros

The Dark Knight (2008)

“Opening night of The Dark Knight with Joker’s pencil trick scene made the crowd goes absolutely nuts. I couldn’t hear the next few lines over the cheers.”
—raydioactiv

Warner Bros

Alexander (2004)

“The scene where, for no good reason at all, the director decided to show us Colin Farrell’s nuts, as his character was climbing out of bed. I’ve never heard an audience groan so loud before or since. It was free and people left that movie feeling like they were owed money.” —Duzand

Warner Bros

Harry Potter And The Deathly Hollows — Part 2 (2011)

“Everybody in the theater cheered and clapped when Mrs. Weasley killed Bellatrix.” —dmantakae

Warner Bros

Rise of the Planet of the Apes (2011)

“When Caesar says ‘No’ the entire theatre just gasped in unison and then there was absolute silence for what felt like forever, as the whole audience held their breath.” —blankedboy

20th Century Fox

The Avengers (2012)

“Everyone in my theater cheered and burst out laughing when Hulk threw Loki around like a doll.” —TarHeelG99

Disney

Star Wars: The Force Awakens (2015)

“Rey using the Force to retrieve Luke’s lightsaber and duel against Kylo Ren literally made my auditorium rumble from the amount of applause and cheers.”
—ghostfragment92

Disney

Creed (2015)

“The final fight in Creed. The theater was packed and everyone was yelling, gasping, and booing like it was an actual sporting event. When the classic Rocky theme stated playing people just started bursting out in applause.”
—DefNotAReplicant

Warner Bros

Twilight (2008)

“I hate that I have to say this but when Twilight came out, midnight showing…..when Edward first enters, the entire theater (not me, that’s stupid) went crazy!” —unique_name000

Summit Entertainment

Godzilla (2014)

“The audience went wild for the last 30 minutes, but when Godzilla did his atomic breath, there was a standing ovation of screams and cheers. It was pretty damn cool.” —SnowballJackson

Warner Bros

22 Jump Street (2014)

“When Jonah Hill finds out the girl he’s dating is Ice Cube’s daughter. My theater was laughing for like 3 minutes straight.” —ahodzic2000

Columbia Pictures

The Exorcist III (1990)

“The shot is of a long hallway and a nurse is checking doors. She goes out of view for a moment and then when she comes back into view (crossing the camera), someone with a sheet over him and holding a huge pair of sheers, quickly follows her. People jumped and screamed and this huge guy behind me said ‘Hell NO’ and walked out of the theater.” —ChrisNYC70

20th Century Fox

Get Out (2017)

“You could hear dread and gasps in the audience when the police car showed up at the end of the film and then everyone cheered very loudly shortly after.”
—Eddo_Kenedo

Universal Pictures

@broderick / Via Twitter: @broderick