None of the six episodes making up this series are currently known to exist.
The gnomes found themselves leaving 25 Telegraph Road when they were sold off in the final episode. They did not know who had bought them, but the new address was No. 10 Downing Street, London.
Lifelong gnome devotee Jimmy Perry originally wrote a gnome-based short-sketch for Morecambe and Wise but was persuaded by his wife Gilda that it was good enough to make a whole show. The BBC agreed and commissioned a series.
The title riffs on the disparaging idiom against Swiss bankers, The Gnomes of Zurich.
The series aired on Australia's ABC-TV in December 1969-January 1970. Their repeat run in late 1972 was possibly its final transmission anywhere in the world.