This would explain why, artistically, the backgrounds in this special look very much like pencil and charcoal drawings, very different from the original series and its spin-offs.
The Flintstones and the Rubbles welcome a new strange family, The Frankenstones, to their Bedrock neighborhood.
The new Frankenstone family members are: A friendship develops between the Flintstones and the Frankenstones, not unlike the rivalry that would be depicted later between Fred and Frank on The Flintstone Comedy Show.
The Flintstones' New Neighbors was nominated for Outstanding Individual Achievement - Animated Programming at the 33rd Primetime Emmy Awards in 1981.
On October 9, 2012, Warner Archive released The Flintstones' New Neighbors on DVD in region 1 as part of their Hanna–Barbera Classics Collection, in a release entitled The Flintstones Prime-Time Specials Collection: Volume 2.