RATED 14+. Blood sausage, hunting, pastries and something called "pus stick" challenge Tony's pre-conception of Vienna as a pastry-filled "Sound of Music" nightmare.

Find out why Iraqi troops defended Britain from the Barbarians, meet the melting pot of cultures of cultures in a cemetery on Hadrian's Wall, and see both the richness and the incredible cruelty of the Roman world laid bare in two remarkable finds.

Chief Jose's son goes missing after a sudden rain causes the river to rise to dangerous levels; a gang of armed colonistas unexpectedly visit the village; Jose's pregnant wife Rosita goes into labour.

Chris faces a challenge to keep two tiny owl chicks alive; a dangerous snake gets loose in the office; tensions rise as Chris searches for two new presenters.

Meet Surya, a five-year-old orangutan who teaches visitors about the plight of endangered species; a gang of canine clowns hits the stage; Blaze is an energetic Labrador on the road to becoming a first-class fire investigator.