6. American Pie
The Original: The 1999 teen sex comedy that spawned a pop-culture phenomenon among hormonal teenagers, notable for its iconic webcam scene, and introducing us to Seann William Scott in a big way. It has since spawned three successful theatrical sequels, and four straight-to-video spin-offs set in the same universe. It has been hinted that a fifth American Pie might release some time down the line, though the series is clearly winding down now.
How To Make It Not Suck: Rebooting a sex comedy shouldn't be all that difficult in principle, even if the first film in particular does feature some uproariously funny scenarios that would be difficult to top. The key is in finding a cast that can measure up to the original movie, and dare I say, a few cameos from the original franchise's cast wouldn't go amiss; how hilarious would it be to see Jason Biggs stepping into the Jim's dad role a few years down the line?