And the Final Curtain (S02E10)

The Librarians realize that Prospero's resurgence of magic is causing chaos with modern technology. He is intent on crafting a perfect forest paradise, regardless of public opinion. To thwart him, Flynn and Baird embark on a journey back to 1611, while the rest of the team confronts Prospero in the current time. They soon discover that the key to overcoming Prospero lies in their ability to collaborate, despite being separated by five centuries.