Coming full circle, the boys conclude their adventure with a trip back to Lancashire, finishing with a feast at Freddie's old cricket ground.

More appetites are satisfied as Freddie and Rob move on to the South East, taking part in a treasure hunt on the River Thames.

Pulling up in Scotland, Freddie and Rob try to make a good impressionon their hosts by battering some chocolate bars.

They're in the West Country, where they go surfing on the Severn Bore, dig out their buckets and spades for a sand-sculpting contest in Weston-super-Mare, and try bonding with an alpaca. Rob also makes plans for the future while admiring a coffin made out of willow, and there's a visit to Somerset's spectacular Cheddar Gorge - not to mention a bit of cooking along the way.

This week they feed the people of Northern Ireland, along the way sampling the best that the great outdoors has to offer.

Freddie begins in Yorkshire, where he gets a few tips on frying from Whitby chip-shop owners, before setting off.