The glyphs for this episode spell out: OLIVE
The Observer watches the plane crash with the stranded people.
The events occurring in Westfield may have been inspired by the Internet legends of Irkhammer, Iowa, Ashley, Kansas, and Doveland, Wisconsin, all of which have elements in the story and all of which were popular around the time of the airing of this episode.
The theme of the episode " Welcome to Westfield" regards a town that the population cannot leave which is similar to the premise of " Wandavision." which takes place in the fictional town of Westview, New Jersey, which based on the real town of Westfield NJ.