Warehouse 13 (season 3)

Former ATF agent Steven Jinks (Aaron Ashmore) joins the Warehouse team and goes undercover with Pete to search for suspects in a case where people are being killed in the same way as the main characters in Shakespeare's tragedies. Meanwhile, Artie, Claudia, and Leena try to stop a lightning storm in the Warehouse.

Myka and Pete are sent on a mission to uncover how an airplane pilot, E.R surgeon, and news reporter have all lost their memories. Claudia is in charge of her mission with the new guy, Steve, to locate Typhoid Mary's knife, an artifact that can transfer illnesses and injuries from one person to another. Myka begins to come to terms with her fears following her mistakes with HG Wells. Artifacts: Walter Winchell's tie clip and cuff links, Typhoid Mary's knife.

Artie, Claudia, Dr. Vanessa Calder, and Hugo Miller try to deal with an artifact that turns people into clay via a computer virus. Meanwhile, Pete and Myka wake up naked in bed together with no memory of what happened and attempt to retrace their steps and find Steve.

Claudia and Steve go to Shiloh National Military Park (Shiloh, Tennessee) and attempt to infiltrate a Civil War reenactment to recover Ulysses S. Grant's flask. Pete and Myka deal with Pete's ex-wife, Amanda (Jeri Ryan), who is getting remarried - she inadvertently activates an artifact that can make anyone she touches her devoted slave.

Pete and Myka, with the help of a hologram version of H.G. Wells, try to recover Joshua's trumpet, which has eluded the warehouse agents since the 19th century.

Fargo becomes trapped in a video game inspired by Warehouse 13 and requires help from Pete, Claudia, and Myka. Meanwhile, Stukowski recruits Artie and Steve to help with a case and catches them stealing an artifact.

Myka hunts for Leo, the man who murdered her old partner, and the Warehouse agents think there's a link between the killer and the Secret Service. Meanwhile, Artie and Steve discover that Agent Stukowski is up to something when she steals an artifact.

Mrs. Frederic and Steve interrogate Stukowski after the agents learn that she was using artifacts to kill Regents, the Warehouse's secret protectors. Pete and Claudia seek out Stukowski's partner-in-crime amid a crisis involving Myka, Artie, and three Regents, one of which turns out to be Pete's mother, Jane (played by Kate Mulgrew).

Pete enters Jane's memories using the "Walking Shoes" to investigate the Regents' murders. Meanwhile, Myka and Claudia go to Portland, Oregon, to look into a string of mysterious disappearances that start with a local T-shirt shop owner.

A 19th-century mason jar in a taco truck may be linked to a zombie-like outbreak in Ithaca, NY. A fortune-telling machine named Sallah has Claudia believing she is about to die. One of Syke's henchmen, Marcus Diamond, has a proposition for Steve.

Pete, Myka and Claudia investigate the theft of a top-secret file from the warehouse which brings them to a high school in Wyoming where H.G Wells is working as a teacher named Emily Lake. Walter Sykes, after "re-constructing" H.G. from the "Janus" Device, kills Steve Jinks, who was working undercover. Part 1 of the season 3 finale.

Pete and Myka race halfway across the world to China to find a forgotten Warehouse secret as Sykes' plan nears its terrible fruition. Conclusion of the season 3 finale.

Christmas special. When Pete inadvertently activates an artifact in the Warehouse's "Aisle of Noel", he is transported to a version of reality in which he doesn't exist. While there, he must figure out a way to convince his former Warehouse teammates to help him defeat an old enemy of theirs and get him back to his reality.