Lord of the rings.
Specifically, Fellowship, extended edition
Nah, just 12 hours of extended edition x3. One sitting.
The Fifth Element.
Monty Python and the Holy Grail
LOTR
Shaun of the Dead
Dodgeball
Pirates of the Caribbean
I watched this so often as a kid, I could quote the entire thing verbatim from start to finish.
So many good answers here, but I gotta add Aliens and Ferris Bueller’s Day Off
Kung Fu Hustle
Evil Dead 2
DEAD BY DAWN DEAD BY DAWN DEAD BY DAWN
deleted by creator
Back to the Future.
Hackers. It’s so bad but I love it
The Breakfast Club
Superbad
Heat, Groundhog Day, Alien, Blade Runner
Groundhog Day annual rewatch!
Starship Troopers. It doesn’t matter what mood I was in, I will be in a better one by the time it finishes. Also makes for excellent background for household chores, once you have the whole film basically memorized.