When does A Fine Romance return?

Judi Dench starred as the female lead, Laura, against Michael Williams as the male lead, Mike. Susan Penhaligon and Richard Warwick played Laura's matchmaking sister and brother-in-law. The series was written by Bob Larbey, and took its name from the Jerome Kern song, "A Fine Romance"
A divorced couple work together as hosts of a travel show called Ticket to Ride. Among the locations they traveled to included Paris, Dublin, Budapest, and Malta.