Million Pound Motorhomes - Season 4

Celebrating the Great British obsession with all things motorhome. TV presenter Jenny Powell and her family head to the Lake District in their beloved campervan. Despite the terrible weather they still take the plunge, but can Jenny convince daughter Pollyanna to join them? At the UK's biggest expo, the Caravan, Camping and Motorhome Show at Birmingham's NEC, managing director Terry prepares to open the doors to the public - but every detail must be spot on to make this year's event as successful as last year's.

A retired teacher who has written two guidebooks about dog-friendly campsites with good walks nearby heads out in her 20-year-old motorhome to do research for a possible third book. At the exclusive Prevost Expo Show in Florida the RVs on display cost on average £800,000, and a couple visiting the show in their own home on wheels are given a quick tour inside before they head off on their next adventure.

Simon and Julie take their daughter to Croatia for a cheerleading competition in their converted delivery van, while in America, Erick and Krystle show off their former bus, which inspired them to start their own conversion business for families with special sensory needs. Tomi Adebayo looks at three very different types of portable washing machines.

Faced with a summer travelling to various DJing gigs across the country, fashion stylist and motorhoming novice Gok Wan tries out a luxury vehicle for the day. He's not a fan of the countryside, but fortunately older brother and campervan owner Kwoklyn has joined him for a little moral support. Could Gok become a convert?

TV presenter Amanda Lamb and good friend, chef and fellow presenter Matt Tebbutt, try out motorhoming as a future holiday option for their families. After a hair-raising ride around the Cotswolds, the pair catch their lunch at a trout farm and head to a campsite for Matt to show off his cheffing skills. However, the Great British weather strikes again and our motorhoming newbies become well and truly stuck in the mud. They need to call in the cavalry, but will it put them off motorhoming for good?

After 15 years of saving, Jane and Andrew have bought their dream motorhome and are off to the continent to do some ‘UNESCO bagging'. This history-loving couple enjoy exploring these world heritage sites and on their way to Folkestone, take a detour to Blenheim Palace where they get their history dose and cross another UNESCO site off their list.

Up near Falkirk in Scotland, Gary runs a van conversion business and has recently developed a fully electric modular campervan. He reveals the camper's eco-friendly credentials, with its removable furniture and heated seats.

Tomi gets wet and wild in the name of science, putting waterproofs to the test while across the Atlantic, Brits Margot and John head to the Californian coast to celebrate John's birthday with friends and family. John recently upgraded their new motorhome's electrics, but will his handiwork withstand the pressure, running a gigantic fridge packed with food and booze for the weekend?

Plus, we pop into an exclusive luxury RV resort in Florida where a permanent pitch and a coach house could set you back around £1.3 million. Resort owner Rick explains the vetting process for motorhomes on site… this really is no ordinary campsite.

Sisters Laura and Jacqui have started their own camper conversion business and with their unique style are now converting around 15 campers a year. But this couple don't leave work on the doorstep, as they currently live on site in one of their own creations.

In California, Lydia has organised a meet up with friends from an all-female outdoors group: Sisters on the Fly. These are women who love travelling and being outdoors, and they all look out for one another. Lydia heads off in her unique motorhome, Mi Lady's Carriage, to a local winery where she's planned wine tasting and cardboard sledging for the group.

Back in the UK, family run business Premium Motorhomes, who sell and rent luxury motorhomes, are preparing for the arrival of brothers Andy and David, plus their partners, collecting two of their high-end motorhomes to "try before they buy". They are driving to Scotland in convoy, but none of them have motorhomed before. How will they cope with the stormy weather on their first ever night in a motorhome?

In Florida, a family of six have been travelling full time in their 45-foot coach for the last two years. They decided to take to the road after Tiffany's Crohn's disease diagnosis, and now Ryan works remotely whilst Tiffany homeschools their four children. Exploring the States together has been life-changing for them and brought this family closer together.

Tomi Adebayo puts portable stoves through their paces to see which one he would splash his cash on, and for anyone wondering how half a million pound luxury motorhome is built, we go behind the scenes at Dynamax in Elkhart, Indiana.

TV presenter Jeff Brazier takes his camper van on an overnight adventure with his friend Paul as they head to Wrexham, where Jeff is reporting on a football match. In Stratford-upon-Avon, Ash and Tom are setting up the Adventure Overland Show in preparation for the arrival of 15,000 people at the motorhome festival over the weekend. Tomi Adebayo tests windbreaks to see which he would invest in, and we get a peek inside a luxurious £2million motorhome that boasts internal wing mirrors, LED lit stairs and an extending couch.

Debbie McGee and her sister Donna take a trip down memory lane to the beach at Littlehampton that they used to visit as children, but this time in a motorhome. Kate Birch and her team adapt motorhomes to make them wheelchair accessible, from fitting lifts and hoists, to widening doorways and adding steering wheel hand controls. A customer pops in with a broken wheelchair lift, which he needs fixed to go to a dog show with his wife. Can the team mend it in time?