I’ve never seen a "road show" presentation of a movie...they were before my time. As for my favorite "epic" films (the official Topic of the Day), here are most of my favorites:
10 Commandments
Around the World in 80 Days
Gone With the Wind
It’s a Mad, Mad, Mad, Mad World
Sound of Music
Star Trek: The Motion Picture
Star Wars (a.k.a. "Star Wars IV: A New Hope")
West Side Story
I'm so glad someone has mentioned
Star Trek: The Motion Picture; I admit it has it's faults, but it's still the
only one of the movies that is actually
epic in scope, and it's undoubtably one of my favorite SF pictures.
And I simply love
It's a Mad, Mad, Mad, Mad World, and it's epic approach to comedy. Famous face after famous face; the approach was so successful, it was re-used to lesser effect in
The Greatest Story Ever Told, which was one of the first movies I clearly remember seeing in the theater. It obviously wasn't the first movie I'd ever seen, though, since I thought John Wayne's appearance as the Roman centurion was hilarious even then.
By the way, I was actually at the Washington DC premiere of
Star Trek: The Motion Picture, with a bunch of fellow Trekkies that had done some promotional work for the movie. A few of my buddies actually are in the big "Captain Kirk shows what we're up against" scene. And yes, William Shatner
did fall asleep...even though we all in the nosebleed seats, we could see that very clearly.