[1] The show stars Eddie McClintock, Joanne Kelly, Saul Rubinek, Allison Scagliotti, and Aaron Ashmore.

Pete and Myka must follow him back through time to 1541 and prevent him from killing the Regents and becoming the Warehouses' permanent master.

Pete and Steve search for a dangerous artifact at a Renaissance fair, while Claudia takes a risk to revive her sister from a coma.

Meanwhile, they explore a series of flashbacks via King Arthur's Round Table that build into the eternal emotions of the Warehouse itself.

The series ends in a flashforward decades into the future, showing Claudia as the new Warehouse Caretaker, as she views the defining moments of her long gone friends.