We’ve become so used to state-of-the-art special effects in movies, especially superhero reboots, do you ever wonder what the sets of your favorite movies and TV shows actually look like? Let’s take a behind-the-scenes look, but spoiler alert: superheroes without their superpowers look a lot like hyperactive mimes in funny leotards.

Watch the video for more secrets of the trade in movies like Pirates of the Caribbean, Jumanji, the Jurassic Park series, and more.