Forest Gump, Joe Dirt come to mind only because I was watching Joe Dirt tonight and was thinking it was just as good the second time. (Except for the damn commercials)
Green Mile yeah I saw that twice and enjoyed it both times. And I just watched "March of the Penguins" for the second time it was still amazing to see kind of like relaxation therapy listening to the narration. I think everyone should see that one at least once. The second time it was good also.
Joe Dirt telling the kid at the alligator ranch "Your face my ass!" is one of the funniest things I've ever heard. I use it to this day.