The Flintstones' New Neighbors series and its spin-offs. Like many animated series created by Hanna-Barbera in the 1970s, the show contained a laugh track created by the studio, one of the last productions to do so. The Flintstones and the Rubbles welcome a new strange family, The Frankenstones, to their Bedrock neighborhood. The Frankenstone family featured on this special was a different version of the Frankenstones from the episode "Fred and Barney Meet the Frankenstones" of "The New Fred and Barney Show" (1979). The new Frankenstone family members are: A friendship develops between the Flintstones and the Frankenstones, not unlike the rivalry that would
The Flintstones a U.S. connection giving them information about past "Flintstone" episodes. An American won the contest and received an all expenses paid trip to tour Hanna-Barbera Studios. Another arc occurred in the fourth season, in which the Rubbles, depressed over being unable to have children of their own (making "The Flintstones" the first animated series in history to address the issue of infertility, though subtly), adopt Bamm-Bamm. The 100th episode made (but the 90th to air), "Little Bamm-Bamm Rubble" (October 3, 1963), established how Bamm-Bamm was adopted. Nine episodes were produced before it but aired afterwards, which explains why Bamm-Bamm was