Sport Relief's Top Dog Series 1

Gaby Roslin hosts, as two teams of three owners and their dogs go head-to-head in a series of fun challenges, culminating in the 'Bark Off' - an obstacle course which includes Barking tube, Sherwood Forest and a famous ferry ride. Celebrity team captains are Ainsley Harriott with Bobby, his labrador retriever and Jules Hudson with Iolo, his black labrador.