Ring Around Gilligan

Ring Around Gilligan is the 77th episode of Gilligan's Island and the ninth episode of the third season. It aired November 7, 1966.

Synopsis
Dr. Balinkoff returns to the island and uses rings to control the minds the castaways to rob Fort Knox!

Credits
Main Cast
 * Bob Denver as Gilligan
 * Alan Hale Jr. as The Skipper
 * Jim Backus as Mr. Howell
 * Natalie Schafer as Mrs. Howell
 * Tina Louise as Ginger
 * Dawn Wells as Mary Ann
 * Russell Johnson as The Professor

Guest Cast
 * Vito Scotti as Dr. Boris Balinkoff

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.
 * This is possibly the most sinister and dark episode in the series as it has Balingkoff planning to brainwash the Castaways into committing crimes for him against their will.
 * Vito Scotti also portrays the Japanese Sailor in So Sorry, My Island Now and Diogenes, Won't You Please Go Home?.

Quotes

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