James Gunn wanted to make a Gilligan's Island movie where the castaways kill and eat each other
https://www.gamespot.com/articles/james-gunn-tried-to-make-a-gilligans-island-movie-where-they-kill-and-eat-each-other/1100-6497030/
"A true story: In the late 90’s screenwriting GOAT Charlie Kaufman pitched a movie version of Gilligan’s Island where the islanders, starving & desperate, started killing & eating each other," tweeted the Guardians of the Galaxy and Suicide Squad director." Warner Bros wanted to do it - but Sherwood Schwartz, the creator, said no way."