Ghost In the Machine
S1, E9: A demented electronics genius, who once tried to blackmail the city, reappears after 35 years only to face the masked crime fighter who defeated him in 1955 and a new crime fighter -- The Flash (John Wesley Shipp).

S1, E9: A demented electronics genius, who once tried to blackmail the city, reappears after 35 years only to face the masked crime fighter who defeated him in 1955 and a new crime fighter -- The Flash (John Wesley Shipp).