Shares a similar storyline to "The Simpsons" episode Pork and Burns (Season 28 Episode 11), in which Marge reads a Japanese book on minimalism, and the family have to part with items that no longer bring them joy.
President Taft actually did get stuck in the White House bathtub.
When Peter sleeps in the storage unit, you can see many items from pervious episodes
The production code was HACX15.