![The Old Time Radio Superman Show show](/assets/missing_small.png)
Summary: The Mysterious Girl parts with the Yellow Mask while Jimmy Olsen and Clark Kent investigate a mysterious skyscraper.<br><br>Original Air Date: October 21, 1940
Summary: The Mysterious Girl parts with the Yellow Mask while Jimmy Olsen and Clark Kent investigate a mysterious skyscraper.<br><br>Original Air Date: October 21, 1940