Now, I want to make it clear that this is a top ten of the films that you could watch any time, no matter how you're feeling, and enjoy them. This is NOT a top ten of the BEST movies of all time! I think 'Raging Bull' (1980) is incredible but I find it a very difficult film to watch, therefore I wouldn't include it in my list. You see?
Your 'Desert Island Reels', if you will!
No TV shows, TV movies, games, books, paintings, sculptures, tapestries or multimedia installations!
Mine are all feature films, but I see no reason why documentaries or shorts couldn't be included.
Also, feel free to change your mind any time! My favourite movies change from time to time, so I imagine most other people's do too!
I've done mine in chronological order, as I don't rank these above / below each other:
It's A Wonderful Life (1946)
Star Wars (Original Theatrical Cut!

Planes, Trains And Automobiles (1987)
The Princess Bride (1987)
Shadowlands (1993)
Dead Man (1995)
Heat (1995)
The Big Lebowski (1998)
Fight Club (1999)
Bubba Ho-Tep (2002)