It originally aired on ABC on 16 November 1963 .
Second Sight is the eighth episode of the third series of the 1960s cult British spy - fi television series The Avengers , starring Patrick Macnee and Honor Blackman .
Second Sight originally aired on ABC on 16 November 1963 .
Second Sight is the eighth episode of the third series of the 1960s cult British spy - fi television series The Avengers , starring Patrick Macnee and Honor Blackman .