Warehouse 13 (2009)

S4E20 The Truth Hurts

Pete and Myka successfully apprehend Paracelsus, but he manages to achieve immortality before their capture. As Myka's health deteriorates due to cancer, Pete is forced to strike a bargain with Paracelsus for her healing. In a parallel storyline, Claudia is confronted with shocking revelations from Artie that could change everything.