Land of the Giants (1968)

S2E17 Pay the Piper

An extraterrestrial musician, asserting his identity as the legendary Pied Piper of Hamlin, arrives in the Land of the Giants with his captivating performance. As he enchants the giant inhabitants with his mesmerizing melodies, he begins to weave a spell that draws them into his world, leading to unexpected adventures and challenges. The giants must confront the consequences of their choices as they are swept away by the alien's charm, testing their bonds and the very fabric of their society.