While "Puppet Masters" is the official title for the LEGO Masters episode, the phrase is frequently used in reviews and discussions for other major series finales:
In this episode, the remaining six teams are tasked with a creative and technical challenge: building functional .
: In a surprise mid-challenge development, host Will Arnett (appearing as "Will Puppette") informed the teams they would be pairing up. The six teams formed three larger groups to perform a collaborative puppet show for the judges. Pairings & Performance :
: Titled "The Strip," this season finale reveals the Enclave as the true "puppet masters" behind the apocalypse and the vault experiments. It concludes with the protagonist Hank being mind-wiped and exiled to the wastes.