I wanted to review Cities of the Underworld - Season 3, which I consider one of the best tv series ever made. No finer tv series has ever been made in Documentary category... and it is now for free on. Cities of the Underworld - Season 3 is probably the most known History tv series and it's really entertaining. Cities of the Underworld - Season 3 is definitely the type of tv series that you can watch several times and always see something new, interesting. Here the most important layer of the tv series is not the storyline, improbable scenes are just the biggest force of the tv series. Cities of the Underworld - Season 3 is a a very story, but it has a lot to offer to the watcher.... Show more