Oscar winner Olivia Colman has announced that she will not be returning for the third season of Netflix's comedy-drama series 'Heartstopper.' The show, based on Alice Oseman's webcomic and graphic novel, revolves around the love story of schoolboys Charlie Spring and Nick Nelson. Colman, who played Nick's mother, Sarah Nelson, cited scheduling conflicts for her departure. Creator Alice Oseman confirmed Colman's exit and expressed gratitude for her contribution, clarifying that the role will not be recast.