*****SPOOKY SPOILERS!!***** “They’re creepy and they’re kooky…” In 1964, monsters and horror were increasingly mainstream on broadcast TV, as evidenced by the popularity of Rod Serling’s “The Twilight Zone” and “The Outer Limits.” CBS’s “The Munsters” and ABC’s “The Addams Family” attempted to cash in on this trend by upending traditional family sitcoms such as…