Warehouse 13

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)

Pete and Myka must investigate an artefact that's causing mysterious mobs of people to riot and hallucinate. (S4, ep 2)

When a box of artefacts is unleashed, Pete and Myka need the help of the team to track them down and prevent a small town from being destroyed. (S4, ep 3)

Whilst 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)

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)

The team come together to recover Lewis Carroll's mirror, an artefact that has been stolen from the warehouse. (S4, ep 6)

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)

Pete and Myka investigate the case of people literally rusting away in a West Virginia mill town. Steve and Claudia visit his hometown in New Jersey. (S4, ep 8)

Brother Adrian sends artefacts to people Claudia, Pete and Myka love, threatening them via their associates. (S4, Ep 9)

His personality split after using the Astrolabe, Artie embarks on a scheme to release a deadly virus that could wipe out half the world's population. (S4, ep 10)

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)

Pete and Claudia investigate a radical activist who is killing off each member of a group that disbanded 30 years ago. (S4, Ep 12)

Artie, Claudia and Steve pursue a phantom car thief with racing gloves that enable a car to pass through solid matter. (S4, ep 13)

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)

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)

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)

Pete and Myka investigate artefact-related deaths in a gated community. Meanwhile, a homeless boy is experiencing moments of mathematical brilliance. (S4, Ep 17)

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)

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)

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)