These are approx. 8 min long cartoons in a half hour format. Frankenstein Jr. was bracketed by two Impossibles cartoons. The series premiered on September 10, 1966 and was produced by Hanna Barbera. This cartoon was later bracketed by two episodes of Space Ghost during its second incarnation in 1976 as The Space Ghost/Frankenstein Jr. Show. Frankenstein Jr. is about a boy genius and scientist named Buzz Conroy, who with his scientist father builds a giant robot named Frankenstein Jr. Together they fight crime and stomp the bad guys.