Odd question? Not really, CalvertFan. But then to us Americans, you Aussies are walking upside down anyway, get it (opposite side of the globe)? Oh well, I guess I'm no comedy writer.
Here's some info for you. I hope it helps:
US dates: 3 Oct 1961-1 June 1966
*UK dates: 4 July 1963-16 Sep 1967 (157 episodes) BBC1 Thu 8.50pm then various days and times
Here's my source:
BBC Comedy Guide
This info is at the bottom of the page.
Steve