10/03/2011 02:17 pm ET Updated Dec 03, 2011

7 Classic Movies You Didn't Know Were Rip-Offs

Hey, Hollywood, we get that it's hard to come up with new ideas. Especially when you've gotten really good at improving on the original. But it's one thing to purposefully remake a dud into a classic -- it's another to pretend you're the one who came up with the idea in the first place. How would you like it if we said we invented anorexia and scientifically impossible explosions, huh Hollywood?

These movies are like that.