A chief warrant officer who specialized in counterintelligence is murdered. The investigation reveals the victim's wife has been kidnapped and is being held for ransom. Meanwhile, senior FBI agent Fornell travels to the Big Easy to assist with the case.moreless
The team's current case hits home for Pride when he discovers the victim is a former gang member he once mentored. Brody persists in her search for a place to live.
Batman, Katana, Commissioner Gordon, Mayor Grange, and crime lord Tobias Whale are abducted by Humpty Dumpty and forced to play a macabre game to find out which among them is guilty of a crime. However, none of them know what the crime is or who did it.moreless
Six months after the blackout, DA Harvey Dent has been elected to put a stop to Batman. Meanwhile, Batman is framed for an attack on Mayor Marion Grange.
The team gets news that will affect their future - and that of the Warehouse - forever.
An old enemy returns and attempts to move the Warehouse - and plans to use Claudia's sister to do it.
Paracelsus takes control of Warehouse 13 and uses his newfound abilities to terrorize the team... and then travel back in time to create an new timeline where he rules the warehouse.
Gibbs reunites with a former colleague when the murder of a congressman in New Orleans prompts a joint case between the field offices and the FBI.
Pierce and Donny try to clear Moretti's name when she faces criminal charges from her work on a dangerous case. Conflicting evidence has Kate doubting her innocence.
The agents capture Paracelsus, but soon discover that's exactly what he wants. Meanwhile, Myka goes in for surgery and Artie tells Claudia a family secret.
After bronzing Claudia, Paracelsus escapes with the only artifact that can cure her, and the team has to hunt him down before it's too late. Meanwhile, Claudia's link to Warehouse 13 endangers the building and Mrs. Frederic.moreless
While Pete and Myka travel to Las Vegas to investigate a series of deaths involving falls from great heights, Claudia and Steve become involved in horse racing. Meanwhile, Artie tries to cope with the B&B's new manager.moreless
Fighting off the symptoms of the Black Orchid artifact, the team rushes to undo the Sweating Sickness that Artie unleashes in a worldwide pandemic.
After discovering the truth about their situation, the agents gather at the warehouse and set out to find the person responsible for the warehouse thefts and the attacks on their loved ones... before the responsible party endangers the world.moreless
While Brother Adrian ramps up his campaign against Artie by targeting the team's loved ones, Steve and Mrs. Frederic discover the reason behind the Brotherhood's attacks.
While Pete and Myka try to track down an artifact that causes people to rust to death, Steve and Claudia try to find a way to cut him off from the metronome artifact that is keeping him alive.moreless
While Artie and Steve investigate the theft of artifacts from the warehouse, Mrs. Frederic invites Claudia to lunch and Pete and Myka investigate a miraculously-healed athlete.