Blue Light is a 1966 American espionage drama television series starring Robert Goulet and Christine Carère about the adventures of an American double agent in Nazi Germany during World War II. It aired from January 12 to May 18, 1966.A theatrical movie, I Deal in Danger, was created by editing Blue Light's first four episodes together into a continuous story. I Deal in Danger was released in 1966 after Blue Light's cancellation.