RANKED: 18 movies that never got a sequel but deserve one

We've jumped into the summer-blockbuster movie season, and that means a whole lot of sequels to be seen.

In an era when it seems that every idea in Hollywood has been made into a franchise or rebooted, several famous titles missed the boat.

In some cases, the filmmaker moved on to other projects - including franchises - while for others rumors of a sequel have been swirling for decades.

Here we rank the 18 movies that we think deserve a sequel: