From Breaking Dawn Part I to The Hangover Part 2, this year has already broken records for the number of sequels heading to theaters (27!), and there are plenty that you're excited about. But it also means that you have some brushing up to do! Do you remember what happened in the last Scream film over ten years ago? How about Transformers: Revenge of the Fallen? Now's the time to start planning your movie nights, so you can catch up on the franchises before the new ones hit theaters. Here's a quick rundown of the ten biggies to check off your list!