The vets and nurses split into two teams for a festive fundraising challenge to support charities close to their hearts. Julian Norton, Matt Smith and Nurse Lucy take on the world's fastest zip line, hitting speeds of over 100mph, while dressed as reindeer, while Peter Wright recruits Shona Searson, Rohin Aojula and David Melleney for a Christmas horse ride. Peter and Julian also go head to head in a Christmas jumper design challenge, with the winning creation revealed on the catwalk during a charity extravaganza at Cannon Hall Farm