Secret Service agents Lattimer and Bering are "rewarded" with a transfer to the top-secret Warehouse 13. They meet Artie Nielsen, the caretaker of the mysterious warehouse, who tells them about their new job. The agents are responsible for the collection of every supernatural and unexplained item that the U.S. Government has ever collected. For their first assignment, they are sent to Iowa to investigate a possible artifact belonging to a college student who went berserk and assaulted his girlfriend while chanting an Italian incantation.

Pete and Myka are after a team of bank robbers who have a distinctive weapon. Meanwhile, Artie examines the security breach at the warehouse.

Pete and Myka are sent to investigate a town where the inhabitants' minds are being altered making them act as they please. Meanwhile, Artie is confused by the energy flows going on in the warehouse.

A woman kidnaps Artie and insists that he help her recover her brother... who was lost in an artifact-related experiment 12 years ago.

The theft of a sculpture leads Myka and Pete to a sacred Indian cave holding an ancient secret of creation... and destruction.

Pete and Myka take on a previous agent's assignment after the man's corpse turns up in the basement of a St. Louis police station.

Pete and Myka return to Washington to intercept a samurai sword that is to be presented to the president, and they discover a competitor for items that belong to the warehouse.

Pete and Myka go to Las Vegas to fetch an artifact that is helping a couple of gamblers, but the mission goes awry when Myka becomes trapped in a famous author's mirror.

Pete and Myka visit a Florida prison to probe a spate of unexplained suicides. Meanwhile, Claudia changes a light bulb with the help of an artifact.

Artie gets questioned by the Regents and Mrs. Frederic. Meanwhile, Pete, Myka and Claudia become trapped inside Warehouse 13, where a dangerous predicament unfolds.

After receiving word that her father is dying, Myka travels home to see her parents.

The team discovers that MacPherson is auctioning artifacts he has siphoned from the Warehouse shelves.

In the season two premiere, we pick up right where we left off. MacPherson has blown Artie to smithereens, and disappeared. Is Leena really a traitor? Where has Claudia gone? How will Pete, Myka and the Warehouse fare without Artie? What other havoc did MacPherson wreak when he was alone in the Warehouse? And is there yet a new villain on the horizon?

A super-powered vigilante is at large in Detroit, and the agents try to track down the person responsible. Meanwhile, things between Leena and Claudia are still tense, and Artie is haunted by the spirit of his dead friend.

When an artifact meant for the Warehouse turns up in the small town next door, the team finds themselves in the middle of a B-movie meltdown complete with cowboys, gladiators, sci-fi robots and beach storming marines. Their only chance of survival rests with the man who invented television, Philo T. Farnsworth.

When young super models rapidly age 50 years overnight, Pete and Myka go undercover in the glam world of high fashion to discover who – and what – is behind the transformations.

Douglas Fargo of Eureka's Global Dynamics is sent to Warehouse 13 to help update its aging computer system. This triggers a seemingly sentient computer virus that sends the Warehouse into lockdown and traps the team inside.

Mrs. Frederick secretly recruits Pete to find a mole within the organization who is buying artifacts. However, when the mole finds out, they go after those closest to Pete.

Claudia has just been given her first assignment, but when it involves a real human torch and H.G. Wells could it be too much for her to handle? Not to mention an appearance by an old love of Artie's

The agents hope to spend a weekend relaxing until an artifact gets in the way.

Someone is using Artie's artifacts to commit a series of murders.

Pete and Myka use H.G. Wells's time machine to travel back to 1961.

When Mrs. Frederic is stricken ill, the agents must search for a cure before it's too late. Their quest takes them to Egypt and the long-lost Warehouse 2.

The team tries to track down their rogue member, and discover the artifact they have is unexpectedly powerful. Meanwhile, Claudia wonders about her future with the Warehouse team and Pete must choose between Kelly and the mission.

As the Warehouse team prepares to celebrate the holidays in snowy South Dakota, Pete and Myka 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.