Seer Gilligan Gilligan discovers an island bush that produces seeds which, when eaten, give a person the ability to read the minds of others. This leads to disaster when everyone insults each other through their honesty and thoughts. Details Casts Title Seer Gilligan Genres Comedy Family Release Date 1966-01-27 Episode Runtime 00 Hours 25 Minutes Season Number 2 Episode Number 19 Production Companies United Artists Television, CBS, Gladysya Productions Bob Denver Gilligan Alan Hale Jr. Jonas "The Skipper" Grum? Jim Backus Thurston Howell, III Natalie Schafer Eunice "Lovey" Wentworth? Tina Louise Ginger Grant Dawn Wells Mary Ann Summers Russell Johnson Roy "The Professor" Hink?