 Catriona frocks up for a different tour of Sydney. Natalie joins a couple getting married in a hot air balloon near Cairns. Ben meets two of the craziest blokes that the UK has ever produced, and a family in New Zealand whose life is a fairytale, and combines ancient weapons with modern day fantasies at a gladiator school in Rome. David tests a personal diving bubble on the Great Barrier Reef and spends a night in one of Australia s most haunted houses.