Secret Santa

S2, E13: In this ‘long lost’ holiday episode of Warehouse 13, as the Warehouse team prepares to celebrate the holidays in snowy South Dakota, Pete (Eddie McClintock) and Myka (Joanne Kelly) are called upon to hunt down a malevolent Santa Claus. Meanwhile, in time for Hanukkah, Artie and his estranged father, Isadore Weisfelt reunite after 30 years. Award-winning actor Judd Hirsch guest stars as Artie’s father. Paul Blackthorne also guest stars as a harried workaholic who becomes terrorized by a strange series of robberies committed by a thief dressed as "jolly old Saint Nick!"