The 1960s were an incredible time for spy TV shows and were the inception point for several popular series. As many of the best spy shows from this era have been revived or rebooted on the big screen, its worth revisiting the source material and seeing just how many astounding stories of covert espionage or undercover government work there are to discover. From trailblazing television shows that have left a lasting impact on the genre to cult favorites that have stood the test of time, many 1960s series are worth modern viewers’ attention.