Carter’s plans to visit family for the holidays are thwarted when he, Zoe and the rest of the town are trapped in Eureka by a glitchy electromagnetic shield – during a very un-Christmassy heat wave.
Pete and Myka hunt down a malevolent artifact-wielding Santa Claus and come to the aid of a businessman. Meanwhile, Artie reunited with his estranged father Isadore after 30 years.