Fans of Channel 4 comedy Catastrophe will be delighted to hear that Sharon Horgan and Rob Delaney will both be joining the lads on The Last Leg tonight for a chat as well as a comic review of the significant moments of the past seven days. Hosts Adam Hills, Josh Widdicombe and Alex Brooker will also be offering their own unique insight into some of the most difficult and delicate issues in modern Britain, and answer that most important of questions: Is it OK?