Mr Hammond has just returned from a trip to Antarctica, where he set up a webcam to observe a Weddell seal and her newborn pup. But there's a problem with the webcam that stops Jen from getting a signal. Andy travels down to Antarctica to fix things - but finds that the ice is melting faster than it used to due to climate change, and the webcam is now floating on the water. It's up to Andy to retrieve the camera, find the seals and bring the footage home.