Instinct: HG Wells needs Pete and Myka's help to deal with an especially unusual artefact. The rest of the team look into mysterious tremors at the warehouse. (S4, ep 15) [S]
Runaway: At the scene of a prison escape, the wall appears to have been melted by molten lava - and Steve has an awkward connection with another investigator. (S4, ep 16) [S]
What Matters Most: Pete and Myka investigate artefact-related deaths in a gated community. Meanwhile, a homeless boy is experiencing moments of mathematical brilliance. (S4, ep 17) [S]
Lost & Found: When news comes in regarding crates of stolen artefacts, Artie takes Pete and Myka to Buffalo, where they run into the duplicitous Charlotte Dupres. (S4, ep 18) [S]
All the Time in the World: Can the team track down an evil alchemist who has not only bronzed Claudia, but fled with the sole artefact capable of reversing the process? (S4, ep 19) [S]
The Truth Hurts: Pete and Myka are in San Francisco on the trail of Paracelsus, while Steve learns that Artie has been hiding a big secret from the other team members. (S4, ep 20) [S]
The Sky's the Limit: Artie meets the new B&B manager, a former psychotherapist who helps address his grief over Leena. Pete and Myka get involved with a feud in Vegas. (S4, ep 14) [S]
Parks and Rehabilitation: Pete and Claudia investigate a radical activist who is killing off each member of a group that disbanded 30 years ago. (S4, ep 12) [S]
The Living and the Dead: After Artie infects them with an artefact, the team have 24 hours to reverse the effects of a deadly illness before it becomes a pandemic. (S4, ep 11) [S]
We All Fall Down: Pete, Myka, Claudia and Jinks try to combat the evil that Artie has released into the world and prevent the deaths of thousands of innocent people. (S4, ep 10) [S]
The Ones You Love: Artie and Leena stay in the Warehouse to find Brother Adrian, while Pete, Myka and Claudia try to save their loved ones from the cleric's artefacts. (S4, ep 9) [S]
Second Chance: Pete and Myka trace two cases of a strange rusting disease to a factory run by a shady character named Siskel, and uncover links to an explosion at a museum. (S4, ep 8) [S]
Endless Wonder: Myka and Pete try to stop a company with a drug that can increase people's height, while the others track Brother Adrian's whereabouts. (S4, ep 7) [S]
No Pain No Gain: Artie and Steve investigate artefacts that have been stolen from the warehouse, whilst Pete and Myka probe the miraculous recovery of an athlete. (S4, ep 5) [S]
There's Always a Downside: While the rest of the team chase an artefact at a school, Myka and Steve are in New Orleans on the trail of another. (S4, ep 4) [S]
Personal Effects: When a box of artefacts is unleashed, Pete and Myka need the help of the team to prevent a small town from being destroyed. Contains flashing images. (S4, ep 13) [S]
A New Hope: The team attempt to track down an obscure artefact they're unsure exists, but which could have deadly consequences if they find and use it. (S4, ep 1) [S]
The Greatest Gift: When Pete activates an artefact which creates an alternative reality in which he was never born, he must convince the team to help him. (S3, ep 13) [S]
Emily Lake: The theft of a top-secret file leads Pete and Myka to a Wyoming high school, where HG Wells is working as a teacher named Emily Lake. (S3, ep 11) [S]
Insatiable: Claudia is spooked when a fortune-telling machine tells her that she is about to die. Pete and Myka investigate a zombie outbreak. (S3, ep 10) [S]
Shadows: Pete decides to enter Jane's memories in order to investigate the Regent murders. Meanwhile, Myka and Claudia focus on some strange disappearances. (S3, ep 9) [S]
Past Imperfect: Myka hunts for the man who murdered her old partner, and the agents investigate the possibility that the killer is linked to the Secret Service. (S3, ep 7) [S]
Queen for a Day: Claudia and Steve attempt to infiltrate a Civil War re-enactment. Pete's ex-wife inadvertently activates an artefact that turns people into her slave. (S3, ep 4) [S]
Love Sick: The team tries to locate an artefact which has been turning people into clay. Pete and Myka wake up in bed together with no memory of what happened. (S3, ep 3) [S]
Trials: Myka and Pete attempt to discover why a pilot is losing his memory. Claudia and Steve try to locate a knife capable of transferring illness. (S3, ep2) [S]
The New Guy: Former ATF agent Steven Jinks joins Pete to investigate a string of murders which echo the deaths of characters in Shakespeare's tragedies. (S3, ep 1) [S]
Secret Santa: Pete and Myka track down an elf haunting a businessman who has abandoned his family, while Claudia gives Artie a memorable Christmas gift. (S2, ep 13) [S]
Reset: Led from Paris to Wyoming, Pete and Myka learn that Helena has obtained a destructive artifact. Meanwhile, Kelly encounters an artifact for the first time. (S2, ep 12) [S]
Buried: The agents must search for a cure when Mrs Frederic falls deathly ill, a quest that takes them to Egypt and the long-lost Warehouse 2. (S2, ep 11) [S]
Where And When: Using HG Wells's time machine, Pete and Myka travel back to 1961 to solve a string of murders. Artie, meanwhile, must adjust to the arrival of the new agent. (S2, ep 10) [S]
Merge With Caution: Pete and Myka get into a pickle thanks to a body-swapping artifact, while Artie and Claudia track down a dangerous seductress. (S2, ep 8) [S]
For The Team: Myka takes Claudia on her first full mission, investigating cases of spontaneous combustion. Plus, Helena returns to plague the team. (S2, ep 7) [S]
Around The Bend: Mrs Frederic chooses Pete for an undercover assignment that brings him into conflict with a former flame and his current teammates. (S2, ep 6) [S]
13.1: Douglas Fargo, a member of Global Dynamics, travels from Eureka to Warehouse 13 to assist Pete and Myka with a troublesome computer system update. (S2, ep 5) [S]
Age Before Beauty: Myka goes undercover to find out why a group of supermodels are rapidly aging. Meanwhile, Claudia enjoys a non-date with Todd. (S2, ep 4) [S]
Beyond Our Control: An artifact strikes close to home when a nearby town is overrun by B-movie characters. Mrs Frederick and Valda, meanwhile, undertake a risky procedure. (S2, ep 3) [S]
Mild Mannered: Myka and Pete are sent to Detroit after a seemingly invulnerable vigilante begins using extraordinary means to thwart criminals. (S2, ep 2) [S]
Time Will Tell: As season two of the sci-fi drama begins, MacPherson absconds with his prize from the warehouse's bronze sector. Pete and Myka set off for London. (S2, ep 1) [S]
Regrets: In a Florida prison, Myka and Pete investigate reports of a number of mysterious suicides. Claudia discovers a new use for one of the artefacts. [S]
Duped: Pete and Myka travel to Las Vegas on the hunt for an item that has been assisting gamblers, but Myka becomes trapped in the mirror of a famous author. [S]
Implosion: When Pete and Myka learn about a samurai sword that is to be presented to the president, they return to Washington to intercept the artefact. [S]
Magnetism: While Artie contemplates the strange energy flows in the warehouse, Pete and Myka hit the road to visit a town whose inhabitants are acting strangely. [S]