Gilligan’s Island is a TV series that aired on CBS from September 26, 1964 to April 17, 1967 for three seasons.

Outgoing Crossovers

Characters	Guest On	Date	Episode	Crossover Type
Gilligan, Skipper Jonas Grumby, Professor Roy Hinkley, Mary Ann Summers	ALF	September 28, 1987	S02E02: “Somewhere Over the Rerun”	B
Gilligan, Mary Ann Summers	Baywatch	February 24, 1992	S02E16: “Now Sit Right Back and You'll Hear a Tale”	B
Gilligan, Professor Roy Hinkley, Mary Ann Summers	Meego	Unknown	S01E07: “Mommy 'n' Meego”	A

(Note: On the Roseanne episode "Sherwood Schwartz: A Loving Tribute", there are scenes where Roseanne actors play the roles of Gilligan’s Island characters and Gilligan’s Island actors play the role of Roseanne characters.

There was also a Gilligan’s Island themed episode of The New Gidget called “Gilligidge Island” where Alan Hale and Bob Denver play themselves.)

Specials & TV Movies

Name	Date
Rescue from Gilligan's Island	October 14 & October 21, 1978
The Castaways on Gilligan's Island	May 3, 1979
The Harlem Globetrotters on Gilligan's Island	May 15, 1981

Cartoon Crossovers & Follow Ups

The New Adventures of Gilligan’s Island was a 1974 cartoon follow up that added a monkey named “Stubby” to the cast. Gilligan's Planet aired in 1982 and took the castaways into space where they had adventures with an alien named “Bumper”.

Feature Film Crossovers

Bob Denver and Alan Hale appear in the 1987 movie Back to the Beach as Gilligan and The Skipper along with several other famous TV characters.

Reboots & Alternate Versions

Name	Date
The Real Gilligan’s Island (reality show)	November 30, 2004