Do aliens exist, and can we talk to them? What does a black hole sound like? Does the universe look like a doughnut? In a spectacular season finale, The Sky at Night teams up with hit podcast Curious Cases to answer your burning space mysteries, from the strange sounds of the cosmos to the furthest edges of the observable universe. Filmed in front of a live studio audience, presenters Hannah Fry and Dara Ó Briain bring their signature wit and curiosity as they quiz our stellar panel of experts - Maggie Aderin-Pocock, Chris Lintott and George Dransfield. Expect lively debate, surprising revelations, and moments of pure astronomical awe as they explore the weird and wonderful corners of space science.