Three new teams join Ashleigh and Pudsey at the Dog House as the competition hots up. The challenges are even tougher this time around and dog expert Steve Mann sets up a watery ball-fetching obstacle course. Complete with tunnel, jumps and even a river, this challenge will test the three teams to the limit. Also with some incredible disco-dancing doggies, Ashleigh and Pudsey reveal a brand new quick trick and we travel to snowy Scotland for a sled-pulling adventure. Show less