In this offshoot of the 1950s "claymation" cartoon series, the crazy Blockheads threaten to ruin Gumby's benefit concert by replacing the entire city of Clokeytown with robots.

Set at the dawn of time, when prehistoric creatures and woolly mammoths roamed the earth, Early Man tells the story of Dug, along with sidekick Hognob as they unite his tribe against a mighty enemy Lord Nooth and his Bronze Age City