Animal House
Fifth Element
Koyaanisqatsi
Ferris Beuler's day off

HARVEY!

Oh God, how could I have forgotten Harvey!?


The Dark Crystal

Goonies

Star Wars
Empire Strikes Back
Return of the Jedi
Goonies
One Crazy Summer
Summer Rental
Tommy Boy (and of course all the left over jokes were put in Black Sheep)
Planes, Trains, and Automobiles
Jaws
American Werewolf in London
Davey Crockett (1955)
The Sands of Iwo Jima
The Bridge Over River Kwai
Rebel Without a Cause

Apocalypse Now Redux
Sherlock Holmes - Basil Rathbone series
Charlie Chan
Laurel and Hardy
Abbot and Costello
The Ghost and Mr. Muir
The Russians are Coming
all the Alfred Hitchcock movies
all the John Wayne Westerns
ET
Close Encounters

TMTC.....

Amadeus
Dangerous Liaisons
Top Gun
Dirty Dancing
Enter the Dragon
Labyrinth
Never Ending Story

The above movies probably constituted about 75% of all of my movie watching as an adolescent/teenager.

Add in the original Private Benjamin and Cable Guy.

Some of these may need to wait a few years, but ...

Pulp fiction
Life of Brian
Dr Stangelove
Flying High (was that Airplane! in the US?)
Back to the Future
Great Escape (referenced in so many other films)
Matrix (even tho it takes itself too seriously)

Some Japanese monster film, maybe Godzilla of some number.
Some Jackie Chan film. I recommend Drunken Boxing, but it doesn't really matter.

Enter the Dragon

KiKi's Delivery Service.

My Neighbor Totoro

Fantasia

Under no circumstances should anyone watch Fantasia 2000.

I loved fantasia...

The first Highlander film