Watch PewDiePie Explain Let's Plays to Stephen Colbert

YouTube sensation PewDiePie, whose real name is Felix Kjellberg, appeared on The Late Show With Stephen Colbert to about the weird world of Let's Plays.

During the interview, PewDiePie discusses unplugging from traditional forms of entertainment such as TV to dedicate himself to YouTube, and also why people watch videos of others playing games.

Colbert also learns a thing or two about Swedish swear words.

PewDiePie--who is famous for his "Let's Play" gaming videos--is arugably YouTube's biggest star, with close to 40 million subscribers. In 2014, he reportedly earned $7.5 million, and later responded to critics by saying "money doesn't make you happy."

Recently, a game starring the character, called the Legend of the Brofist, was released. It is a 2D platformer which also features other popular YouTube streamers. The game is available on iTunes and Google Play today for $5.

On October 2 No Man's Sky developer Sean Murray will be interviewed on the program on The Late Show With Stephen Colbert.