4. Episode 4 (2016)

Romesh Ranganathan has only a humble vacuum cleaner to help save him from the pit of hungry crocodiles he is being dangled over, while Ben Miller travels to Paris to meet a friendly artificial-intelligence robot. Rachel Riley carries out her own tests into how the placebo effect work and the team attempts to set a new world record using the power of a laser.

Release date: 2016-03-08