Sean Lock and Jo Brand rubber up for the Maldon mud race in this highlight from Episode 1.
Jo Brand recounts a diving accident from her old nursing days in this highlight.
Jo gets sexy in the water as she trains with a synchronised swimming team.
Sublime bit of stand-up from Jo Brand in this highlight from Episode 2.
Jo Brand meets a man who can hold his breath underwater for a staggering 20 minutes.
Swimming meets stand-up this highlight from Episode 3 of Jo Brand's Big Splash.
Jo ropes Bill Bailey into going 'wild swimming' with her.
Jo meets a man who can hold his breath underwater for a staggering 20 minutes!
Swimming meets stand-up in this highlight from Episode 4 of Jo Brand's Big Splash.
Jo is joined by actress and comedienne Meera Syal in a home-made rafting race.
Jo encounters a 'monster from the deep' when she takes a midnight plunge in a lake.
Jo auditions to be Blake Aldridge's synchronized diving partner in this extended segment.