Pete and Myka are on the trail of a very bad Santa who threatens to ruin the holidays.
The team learns more about a powerful artifact while hunting one of their own before she destroys the world.
After Mrs. Frederic becomes ill, the team trace down her affliction to Warehouse 2 which has been rediscovered in Egypt.
The team take a spin in H.G Well's time machine to solve a case in 1961.
Artie's checkered past catches up to him after his former handler gets tossed into the spotlight after a murder.
Pete and Myka learn that hot-swapping bodies has fatal side-effects while Claudia and Artie hunt a seductress.
Myka gets a new partner while investigating combusting athletes at a college while Helen
Pete runs into a woman from his past while on assignment who tries to turn him on his own team.
Douglas Fargo from Eureka helps the Warehouse update it's computers which inadvertently traps everyone inside.
Pete and Myka track down an artifact which is aging models in their prime.
The Warehouse investigates a sudden serge of people from the past showing up in Univille.
Pete and Myka hunt for the cause of a new super hero in Detroit while Claudia and Leena tighten up the Warehouse's security.
MacPherson frees H.G. Wells from her prison causing the team to track both of them down.