Their first stop in Las Vegas sees Nancy challenged to drive a classic muscle car, before they receive weapons training and head out on the road with some real-life bounty hunters looking for a fugitive. Later, the duo visit a casino where Baz challenges his mother to bet a week's pension on a roulette table. They then move back to LA for a lesson in stunt driving, before celebrating Nancy's birthday with a skydive.

Their second stop is Morocco, where Nancy learns how to charm snakes, before Baz persuades her to take part in an off-road race, the International Rally. Later, Nancy treks across the desert for a more comfortable ride on a camel, before performing a Berber dance routine. The presenter then tests his mother's head for heights as the duo take a hot-air balloon ride across the Sahara.

There are plenty of thrills and spills when Baz and Nancy head to Florida, buckling up for a rollercoaster ride, before hanging out with some wild alligators.

Baz and Nancy sample the delights of Thailand, including an elephant ride and a spot of white-water rafting. A wince-inducing challenge is also on the cards

It's Mammy versus nature when Baz and Nancy encounter ostriches, lions and great white sharks in South Africa. Also on the to-do list is a bungee jump.

Hitting the final stretch of their adventure, Baz and Nancy stop off in Cambodia, where the toughest challenge of the series awaits.