IYKYK John Hughes is an icon for '80s teen movies, and The Breakfast Club was just one of many beloved cult classics. In honor of the film's 40th anniversary, let's take a walk down memory lane. Here's a look at how those famously known as the brain,

It all started with a brain, an athlete, a basket case, a princess and a criminal. In 1985, the world was introduced to five teenagers with very different backgrounds who found themselves spending nine hours on a Saturday in detention.

Filmed at an abandoned high school in Des Plaines, John Hughes' coming-of-age classic continues to resonate — although one scene hasn't aged well.