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Mr. Hankin calls on his Aunt Camelia to demonstrate acoustics, and at night Calley uses her boyfriend's electronic card to get Ronnie into the laboratory.
First Air Date : Feb 08, 1978
Last Air date : Sep 15, 2008
Episode : 601 Episode
Season : 31 Season
Runtime: 25:20 minutes
Studio: BBC One
Country: United Kingdom
Crew: