The Walshes reach Guatemala and pick up their new mode of transport, which quickly becomes a nightmare for Bradley to drive. They travel into the jungle, where they abseil down a lift face into a water fall and meet a quirky shaman who believes in the healing powers of chocolate. They then head off for a bike ride - but what Barney forgets to mention to his dad is that they are riding on a tightrope 25 metres in the air
