Western fans will recognize two sets used extensively in this story. The Morgan mansion's facade and interior sets are those used for the Barkley mansion on The Big Valley (1965), and the saloon is the set used for the Wayfarer's Inn on Cimarron Strip (1967).
No female character in the episode.
Dr. Loveless uses a brass peashooter with a telescopic sight to break the vase on the table. This same brass peashooter was used by Loveless in his first appearance on the Wild Wild West, in the Season One show, "The Night the Wizard Shook the Earth".
Surrealism is a movement that began in the 1920s, expressed in many different forms including literature, art, music, photography, film and theater. It is characterized by apparent paradoxes and conflicts between perceived and actual reality. Among the most famous of the surrealists were painters René Magritte and Salvador Dalí and photographers Man Ray and Ralph Meatyard. Surrealism is also considered to have been on strong influence on animated cartoons, The Beatles, Bob Dylan and many others. Its influence on popular culture has declined since the 1960s saw the death of a number of the movement's major figures. Dr. Loveless' brand of surrealism here anticipated the artistic movement by about fifty years. The word "surrealism" first appeared in English in 1925.
The title refers to the common idiom "The real McCoy," which means "the genuine article" when applied to a person or object.