'Gone Girl'

Nick discovering Amy missing and the cops arriving at the crime scene.
The big reveal at minute 67 – 'I am so much happier now that I'm dead' – the best part of seeing the movie in the theater if you hadn't read the book.
Amy's return covered in blood – one of the craziest clips of all time in the YouTube era.
The Desi murder scene – changed from the book to be far more visceral and violent.
Nick's TV interview with Sela Ward that convinces Amy to come home.
The final confrontation – 'what are you thinking? how are you feeling? what have we done to each other?'

Rosamund Pike's performance – definition of Apex Mountain.
Trent Reznor and Atticus Ross's score – spa music that instills dread.
Carrie Coon as the twin sister – she's fantastic and went on to stardom.
Every single small role is perfectly cast.
The Nancy Grace parody with Missi Pyle.
Kim Dickens and Patrick Fugit as the detective team.
The Mastermind board game Easter egg.
Ben Affleck's unshaven video game scene.
How meticulous Amy's plan was – three years of framing with diaries in different pens.

The big twist – in the theater it was incredible, but you can't recapture that shock on the 10th viewing.
Neil Patrick Harris as Desi Collings – Bill argues he's a sitcom actor who sucks in this movie (the rest of the hosts disagree).
The internet discourse around the film – one of the first times the internet took art and pulled it into outrage culture.
The Desi murder scene from a rewatchability standpoint – 'here's the part where he's actually gonna be brutally murdered'.

Jon Hamm was supposed to be Nick but Matthew Weiner wouldn't release him from Mad Men.
Reese Witherspoon obtained the film rights and was considered for Amy; Charlize Theron, Natalie Portman, Emily Blunt, Rooney Mara, Olivia Wilde, and Julianne Hough were all considered.
Fincher wanted a Faye Dunaway in Chinatown type for Amy.
Emily Ratajkowski was cast on Ben Affleck's recommendation – he saw the Blurred Lines video and suggested her.

Patrick Fugit – the guy from Almost Famous, consensus pick.
Missi Pyle as Ellen Abbott, the Nancy Grace type.
Boyd Holbrook – has since transcended that-guy status but his appearance takes you back.
Kathleen Rose Perkins as Shauna Kelly – she's been in a lot of TV shows over the years.
Casey Wilson – SNL alum, known enough to be borderline.

Casey Wilson – dialed up, especially during her scenes as the nosy pregnant neighbor.
Rosamund Pike – ratcheted it up maybe 10% too much in spots, but it works for the character.

Tyler Perry – only in about four scenes but absolutely commands them.
Casey Wilson.
Lola Kirke – the pool scene.
Scoot McNairy as Tommy O'Hara – literally 90 seconds of the movie but delivers an intense scene.
Emily Ratajkowski – a likeable performance.

Affleck researched and studied men accused of killing their wives, paying particular attention to Scott Peterson.
Affleck changed a camera lens setting an indiscernible amount – Fincher immediately noticed.
Fincher shot 500 hours of material over the 100-day shoot.
Pike had Neil Patrick Harris spend two hours alone on set rehearsing the sex scene; she also reportedly practiced with a Dora the Explorer doll.
Pike gained and lost 13 pounds three times – hamburgers and milkshakes to gain, boxing four hours a day and running five miles to lose.
The head-bashing scene took around 18 takes, giving Pike a minor concussion.
The bar is a real restaurant filmed at its exact location in Cape Girardeau, Missouri.
First time Ben Affleck did full-frontal on screen – Fincher said he wanted it to be 'like a European movie, warts and all'.

Rosamund Pike – definition of Apex Mountain.
David Fincher – his most commercially successful film, though they decide Social Network is still his Apex Mountain.
Mountain Dew – the product placement where Amy spits in it may be the brand's finest cinema moment.
Cape Girardeau, Missouri.

Amy's meticulous three-year plan unravels because she can't figure out how to hide her money at a cheap motel.
The money belt falls off when she jumps six inches in the air during miniature golf.
Was Amy really going to kill herself? She loved herself too much – she wanted a victory lap.
The FBI is incompetent – Amy is covered in blood during interrogation and they just let her go; no one presses on how she got the box cutter if she was tied up.
Nick is fully sold on Tanner Bolt because Tanner can... Google a guy who's a registered sex offender.
The media training scene with the gummy bears is clearly the first run-through, 10 minutes before the interview.
No one hears Amy whisper 'kiss me' when they reunite, and no one sees that Nick doesn't do it.
Nick doesn't remove Amy's underwear during their first hookup scene despite clearly being in the act for quite some time.
The cat Bleeker is sitting on a stool while Nick sweeps up broken glass – protect your animal.

David Fincher – his most successful movie at the box office ($369M in 2014 when movies are no longer as successful), then he drops the mic and goes to Netflix.
Fincher is obsessed with Hitchcock – this is his Hitchcock movie: striking blonde, handsome movie star, shifting trust.
Rosamund Pike – incredible performance, though four or five other actresses could have scored 50 points with this part.

Rewatchables Reference