When people love a movie, they’ll likely want to revisit it at some point.

Rewatchability isn’t everything, though.

Manchester by the Seaisone ofthe most depressing films ever made, but not cartoonishly so.

Blended image showing characters from Requiem for a Dream, Come and See, and

Custom Image by Federico Napoli

Romantic movies tend to be endlessly rewatchable.

Romance fans love it, but very few have the courage to watch it again.

Calling this runtime daunting would be a bit of a truism.

Randi and Lee talking on the street in Manchester By the Sea

Image via Roadside Attractions

It’s a truly life-changing film.

It’s perhaps the most effective and hard-hitting anti-drug movie ever made.

Not so with the French psychological horror filmMartyrs, one of the most disturbing movies ever made.

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Gruesome and brutal beyond measure,Martyrsis as nasty as horror films get.

If ever a film has shown the deepest depths that humanity can reach, it’s this one.

And even then,that first watch may be way too much for the average viewerto handle.

Ennis embracing Jack in Brokeback Mountain

Image via Focus Features

NEXT:The Most Disturbing Movies of All Time

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Three men walking down a dirt path in Satantango

Image via Arbelos Films

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little girl saluting with a golden bowl on her head

Image via Toho

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Bjork singing with her arms spead in Dancer in the Dark

Image via Angel Films

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Arno Frisch next to a person with covered face in the 1997 ‘Funny Games’.

Image via Attitude Films

Ellen Burstyn as Sara Goldfarb on a phone call in Requiem for a Dream

Image via Artisan Entertainment

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Morjana Alaoui with a bloodied face crying in ‘Martyrs’

Image via Wild Bunch

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Aleksei Kravchenko as Flyora Gaishun, standing in front of a fire looking devastated in Come and See.

Image via Sovexportfilm

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Monica Bellucci as Alex, wearing a white dress and walking down a dimly lit tunnel in Irréversible

Image via Mars Distribution

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Movie

Requiem for a Dream