After the contents of a self-storage unit purchased at an auction take the BAU to Philadelphia to investigate a series of murders, the local agent becomes the center of the case. To catch the killer, the team must profile the items inside the unit.
The MythBusters decide to sink a lead balloon in order to put that proverbial saying to the test. They also look into whether or not dynamite can be used to help create the right conditions for surfing.
When a burglary turns into a slaughter, Torchwood suspect alien involvement. Who is Beth, and can she be as innocent as she seems? But when the investigation escalates into a city-wide assault, Jack realises that the whole planet is in danger.