 The Frankenstones are also similar in scope to The Gruesomes, another monster-themed family who moved next door to the Flintstones during the fifth season of the original series.The first version of the Frankenstones were introduced on September 15, 1979 in the episode "Fred & Barney Meet the Frankenstones" of the second season of "The New Fred and Barney Show".They were featured as the managers of a condorstonium development called Deadrock Arms that Fred Flintstone and Barney Rubble considered moving their families into.