Barney saved Chloe who was trapped on top of a tree on fire with his helicopter, in a similar way he and Homer saved Bart and Lisa from a forest fire in Days of Wine and D'oh'ses.
The chores on the chore wheel are Wash the Dishes, Mow the Lawn, Dust and Vacuum, Sweep Garage, Feed Dog, and Pick Up Dry Cleaning.
Homer actually kept his promise he had given to Marge in Highschool when he said they will travel the world, as the family has been on all continents at least once and Homer was actually in space, too.
The chant that Chloe sings when performing the Chinese dissident dance can be translated as "爱英国" (ài yīngguó), meaning "I love England".
In earlier episodes, Mount Springfield is a forest hill but in this episode, it is a volcano.