Here are mine
Star wars saga
Assassin’s creed
The soloist
Inception
Back to the future trilogy
I know there are two sagas in there but i can’t pick a favorite from them. I also love the batman trilogy and a movie called the uninvited that came out in '09. But they don’t make the top five.
Alien + Aliens
The thing
The big lebowski
The terminator
Prince of darkness
Original star wars trilogy
BladeRunner
Gattaca
Star trek 1
Back to the future 1
Terminator
Fatal attraction
Silence of the lambs
Pretty woman
That’s only four 
The devil wears prada
Watching “Debbie Does Dallas” 5 times in a row.
Sausage Party
Full Metal Jacket
Dumb and Dumber
The Shining-1970s version
Das Boot
Note: I was gonna write E.T. but I remember when he got dressed up in the closet. That movie has done more intergalactic damage than ever. No wonder aliens don’t want to visit.