How can you fit Apollo 13, science and comedian Helen Keen in a single night? Well come down to the Chelsea Old Town Hall and find out. In this amazingly unique event scientists Dallas Campbell and John Chase will be joined by award-winning comedian Helen Keen to give you a very special science commentary about the actual science involved in Apollo 13. There will even be live experiments and some genuine space kit. Presenter of "You Have Been Warned" for the Discovery Channel, Helen Arney will be your host for the night. Over 18s only. Valid ID required.