With the fate of the world in their hands, Pete and Myka's only hope of finding a cure to the Sweating Sickness is a drunken history professor. Meanwhile, Steven and Claudia enter Artie's subconscious in an attempt to bring him out of his coma before he fades away for good.
Quest roles:
CCH Pounder(Irene Frederic), Roger Rees(James MacPherson), Lindsay Wagner(Vanessa Calder), Kate Mulgrew(Jane Lattimer), Thomas Roberts(Thomas Roberts), Katherine Trowell(Sutton's Assistant), Polly Walker(Charlotte Dupres), James Marsters(Sutton), Ali Adatia(Helicopter Pilot)