From special guests to epic challenges, enjoy the series' best moments as the boys travel from Loch Ness to London.

Enjoy some of the best unseen moments as the gang make their epic road trip down to the capital.

The boys take to the water as they arrive in Central London, where they're greeted with a Race Walk Challenge.

The boys continue south as they are presented with a cooking challenge, and put their lawn bowls skills to the test.

The boys join Andy and Judy Murray for some Highland Games. Plus, there's fishing with some special guests.

The boys hit the road again as Jamie Redknapp, Freddie Flintoff and Romesh Ranganathan begin their trip at Loch Ness.