The Day the Earth Stood Still made an early foray into electronic music, one year before Karlheinz Stockhausen and three years before Edgard Varèse, something that was overlooked by the classical elite. 20th Century Fox later reused the Bernard Herrmann title theme in the original pilot episode of Irwin Allen's 1965 TV series "Lost in Space"; the music was also used extensively in Allen's "Voyage to the Bottom of the Sea" series episode, "The Indestructible Man". Danny Elfman noted "The Day the Earth Stood Still"s score inspired his interest in film composing, and made him a fan of Herrmann. "Variety" praised the documentary style of "The
Lost in Space job for its "Lost in Space" appearance, while space monster costumes would be reused on "Voyage" as sea monsters. The clear round plastic pen holder used as a control surface in the episode "The Derelict" turned up regularly throughout the show's entire run both as primary controls to activate alien machinery (or open doors or cages), and as background set dressing; some primary controls were seen used in episodes such as Season 1's "The Keeper (Parts 1 and 2)", "His Majesty Smith", and Season 3's "A Day At The Zoo", and "The Promised Planet". Spacecraft models, were also routinely re-used.