Last Tango in Halifax Sunday, 8 p.m., WGBH
As old flames who reconnect on Facebook after the deaths of their spouses, veteran British actors Derek Jacobi and Anne Reid are thrilled to be representing the hope for a new spark late in life. Chatting with reporters at the recent Television Critics Association press tour Jacobi said “One of the great joys of this particular drama is that the bedrock of the drama is a love affair between two older people. Actually, the age is not stressed. It is a love affair between two people who happen to be in their seventies.”
Ray Donovan Sunday, 10 pm., Showtime
James Woods has popped up as a Whitey Bulger-like figure named “Sully”complete with a girlfriend with a dog. Full story for BostonGlobe.com subscribers.