Overview: Greg checks out Archimedes' plan for a death ray in 214BC, while Fran investigates 'déjà vu'.
Overview: Fran finds out how 157 people have fallen from planes and survived without parachutes since 1900.
Overview: Will moles, cockroaches or alien bacteria inherit Earth post nuclear fallout?
Overview: Greg looks at a space hotel that lets guests see 16 sunsets and sunrises in 24 hours.
Overview: Dom smashes Viking myths when he finds out more about them, such as having their own parliament.
Overview: Fran mixes a few anvils with a little gunpowder and Dom investigates Leif Erikson.
Overview: Did you know the vending machine was invented in the 1st century AD?
Overview: Fran investigates a Scottish island that had to be quarantined for 48 years.
Overview: Dom finds out which German spy was an inspiration for Bond, James Bond.
Overview: Greg drops into a volcano to discover they explode with 24 megatons of thermal energy.