7.20/10 1959-07-05 30 minutes.HDExperimenting on making guinea pigs invisible by lowering their refractive index to that of air, Dr. Peter Brady becomes invisible himself after a radioactive leak. Brady becomes front page news and a target for a ruthless criminal gang who kidnap Sally, forcing Brady to use his invisibility to steal £50,000 from a bank in order to pay the ransom for her safe return.Year: 1959Studio: ITV1Country: United Kingdom, United States of America