For years, there has been a broad consensus in the cosmology community that the 'hot big bang' was the central point in the history of the Universe. But the question remains, what came before the big bang? Join astronomer David Mulryne as he delves into the limitations of our current thinking and sheds light on the questions that remain unanswered. Using the very latest findings and insights from the field of cosmology, David explores the concept of time and whether it even makes sense.