Anglophilia, like the American dream, may have been based on myths, but myths can be potent and long-lasting.

And so the show’s sense of momentum relies mainly on tragically beautiful eye candy, high manners and lifestyle — the building blocks of televised Anglophilia.

Destitution has never been quite as appealing as it is in “The Durrells in Corfu,” the latest slice of picturesque Anglophilia from “Masterpiece.”