Making movies is a long and challenging process. They take meticulous planning, and an unfathomable amount of decisions from casting, to set design, to the barebones writing, plot, and character design. Within all the planning, it is still possible, and quite easy, to screw it all up and come up with a horrible movie. But when a talented director gets it all right, it's one of the most satisfying experiences you can have.

That's why when a director goes through the effort to put in a little detail that most viewers won't even catch in the movie, it makes it all just a little more special for those who do, especially considering all the other time constraints and planning involved. After all, it is hard enough to make a movie. But they went the extra mile to make it special. Here are 22 of those easter eggs in some of your favorite movies.

Check out more fun easter eggs here.