Doctor Zhivago. And when they inevitably fall asleep. I’m jacking that Ufo.

Obviously the greatest documentary ever committed to film: The Adventures of Buckaroo Banzai Across the 8th Dimension.

District 9

Letting them know what mankind is all about seems like a terrible idea. We're jerks.

The Day the Earth Stood Still (1951) - Literally telling aliens that we will fuck shit up.

Stalker (1979) - You can leave your garbage and we'll think it's treasure.

Dude, Where's My Car? (2000) - Humanity is really just a bunch of idiots, stumbling through everything.

Samsara

Full Metal Jacket.

shrek 2

gremlins 2

Hellraiser II

Wall-E. Sums it up pretty well

Double Feature: Ender's Game (2013) and Starship Troopers (1997) - then we serve them a sumptuous shellfish tower to discuss their surrender over dinner.

Superbabies: Baby Geniuses 2 (2004)

Salò.

“The Final Member”

It’s a documentary about the worlds first penis museum in Iceland trying to finally secure a human specimen

https://youtu.be/sZMaheZ_Iy0?si=SCIxh2weymwp3AOk

Half Baked

Fun fact: I have watched none of the movies listed here in the comments

Shawshank Redemption

Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb.

Earth Girls Are Easy

Fellowship, two towers, return of the king. Tell them it's one movie showing how the littlest person can make the biggest difference.

Schindler's list. Yeah aliens. It's like that. Go ahead and end us thx.

Freddy Got Fingered (2001)

Either point break or bad boys 2.

Nobody has mentioned porn. We try and say things in our great works of art but maybe they'd learn more from what we make when we're trying to say nothing at all.

They Shall Not Grow Old (2018) by Peter Jackson.

A youtube compliation of high tension powerlines exploding.

Samsara