This episode reveals that Dr. Hibbert’s first son’s name is JJ Hibbert.
This is the first episode to premiere after the launch of Disney+.
After Kirk drinks bad water from the river, Dr. Hibbert’s Daughter’s eye pupils are duplicated.
Homer and Marge went for a walk in the forest and Bart and Lisa were sneaking into the master bedroom, but Maggie isn’t with neither one of them, she also didn’t appear in the dinner scenes at Costa Rica.
Chalmers was able to fly in this episode, yet in "The Road to Cincinnati", he had extreme anxiety before the plane even took off. It is possible that he took his anxiety pills offscreen.