Rob Brydon and team captains Lee Mack and David Mitchell are joined by guests Lucy Beaumont, Anton Du Beke, Desiree Burch and Ralf Little.
Sandi Toksvig looks at the north and the Norse with Lucy Beaumont, Jason Manford, Rhod Gilbert and Alan Davies.
Greg slaps Alex over peas. And everyone tries to put a large duck in a lake
Julian Clary finds a former champion hidden behind a door
Lucy Beaumont celebrates the series halfway point by playing with a toilet roll.
