Overview: Craig Charles and the team test a variety of tech designed to beat the winter blues. Georgie Barrat visits Wales to meet astronomer Mark Thompson, who helps her try out the latest stargazing apps and telescopes. Ortis Deley tests a range of specialist low-light cameras, and Jon Bentley puts a selection of nocturnal running and cycling equipment through its paces. Plus, a voice-activated board game and a spectacular holographic display.