Boris Karloff's Thriller Thriller guide Summary of each episode Thriller at CVTA "The Return of Andrew Bentley" Public domain episode at the Internet Archive 1960 American television series debuts 1962 American television series endings 1960s American anthology television series American horror fiction television series American thriller television series Black-and-white American television shows Crime thriller television series English-language television shows NBC original programming Television shows adapted into comics Television series by Universal Television Boris Karloff