Judith Merril, a Canadian science fiction author and TV presenter, did a series circa 1979-80 for TVOntario as "The UnDoctor." Merrill and a bunch of young, future FSMers would analyze episodes of Dr Who.
There was an episode on Terror of the Zygons, but it's long been zapped from YouTube. However, here is one for "The Invisible Enemy." There are a handful of others available as well.
