Day 4 - Sierre

Brendan's tourists leave the Swiss mountains and head for an underground lake. A lesson in blowing the alpine horn descends into 'Carry On... ' territory. There appears to be a bit of a north-south divide going on in the group, with the southerners not taking Brendan's tour seriously, and tensions on the rise. At the vote, one couple gets stung in the neck for constant moaning.