The Mysteries of Laura is an American police procedural comedy-drama television series developed by Jeff Rake and executive-produced Greg Berlanti and McG. The series premiered on September 17, 2014, on NBC. The Mysteries of Laura stars Debra Messing in the lead role of Detective Laura Diamond, a New York City homicide detective who balances her day job with off-duty hours as a single mother of two unruly sons. On May 8, 2015, The Mysteries of Laura was renewed for a second season of 13 episodes,[1] which premiered on September 23, 2015.[2] On November 9, 2015, NBC ordered three additional episodes for the second season.[3] On May 14, 2016, NBC canceled the series after two seasons.[4] During the course of the series, 38 episodes of The Mysteries of Laura aired over two seasons, concluding on March 2, 2016.