Ring Around Gilligan

"Ring Around Gilligan" is the 77th episode of Gilligan's Island and the ninth episode of the third season.

Synopsis
Dr Balinkoff returns to the island and uses rings to put the castaways to rob Fort Knox!

Trivia

 * It's never revealed how Balinkoff got his body back after the events of The Friendly Physician; many fans suggest the episodes work better in reverse order.

Quotes

 * Balinkoff: "Scientist, yes... mad, no!" (followed by creepy laughter)