What Classics Did You See Last Week? (5 June to 11 June 2017

10 episodes are lost or wiped out, and 11 episodes have survived from the black and white seasons, but oddly it's pilot showed under the banner serial Armchair Theatre has survived (A Magnum for Schneider).
Don't lose hope, episodes sometimes can pop up from the most unlikely places.

Library of Congress found a couple of years ago many thought lost episodes of different British TV-series, from the black and white era. Some boxes had been placed wrong.