It's the fifth highest rated Korean drama in history and swept the nation in late 2016. Heartthrob Gong Yoo plays an immortal human searching for an end to his painful and lonely immortality.

The magical realism can be delightfully breathtaking in this series. Your brain will be tickled when they pass through doors into other worlds. The tone leans towards comedy despite the heavy set up to the series.

If you want to see some of the highlights before deciding on whether to invest the time, check out the video below.