The duo set off on a road trip from their home in Essex to the Amalfi Coast of Italy. First stop is The Netherlands and some canal jumping, velodrome track cycling and tackling the world's tallest freestanding climbing wall.
Bradley and Barney continue their road trip in Germany. In Frankfurt, the abseil down a building facing forward. They stop at a Bratwurst themed hotel, have a go at finger wrestling and go wild in the mountains.
The next stop on Bradley and Barney's European road trip is Switzerland. They take in the breath-taking views with a ride on a mountain roller-coaster and recreate a famous scene from a Bond film.
The father and son have reached Slovenia, a country that loves its sport. Brad's passion for bikes gives Barney an excuse to take his dad motocross racing. They also try some unusual honey therapies and join the national Quidditch team.
Bradley and Barney head to Italy, starting in the picturesque Lake Garda, where they try their hand at paragliding. Bradley rides in a Formula 1 speed boat, before visiting the home of opera superstar Andrea Bocelli.
Barney and Bradley embark on the final leg of their European road trip, as they continue to explore Italy, engaging in gladiatorial combat in Rome, whizzing along a sky-high zipwire and diving off a cliff into the sea at their final stop.
The Walshes head to Iceland for an epic Christmas adventure, from a dramatic glacier rescue to a dip in the famous geothermal pools, they're in for a trip to remember.
