South-African born Canadian-American business magnate Elon Musk guest stars as himself in this episode that sees himself and Homer become fast friends and revolutionize the town's nuclear plant. But when Musk goes overboard and Mr. Burns wants him removed, Homer must figure out a way to stop him.
- Adam Westing: Elon Musk.
- Automated Automobiles: Elon gives them to the people of Springfield.
- Continuity Nod: In "The Seemingly Never-Ending Story", when Mr. Burns and Rich Texan plucked Homer's two lines of hair, he bought a wig that looks like his usually almost bald head. That wig is seen again after an eagle plucks Homer's hair.
- Hypocrisy Nod: Musk is a clean energy advocate but, as someone points out, the rocket he uses to travel must burn lots of fuel.
- Left the Background Music On: During a heartwarming scene between Homer and Musk, some violin music could be heard. It's eventually revealed that one of Musk's machines is playing a violin.
- Nice Job Breaking It, Hero!: Because of Musk's plan to improve the world, Mr. Burns had to fire his employees.
- The Password Is Always "Swordfish": Bart decides to steal the Simpsons' new hybrid at the climax to perform a prank that will destroy Musk's local company offices, Lisa tries to prevent it by telling Bart that she placed a password on the car. Bart instantly figures out that the password Lisa set is "Elon Musk is Awesome".
- Shown Their Work: Squawky, the bald eagle the family briefly takes in at the beginning, makes noises more like a real bald eagle rather than screeching like a red-tailed hawk.
- Spiritual Antithesis: This episode can be considered this to Season 23's "Lisa Goes Gaga". Both episodes involve celebrities who come to Springfield with the intention of making the town's lives better, but while Gaga is portrayed whimsically and her For Happiness intentions brought no negative consequences, Musk is more down to Earth, and his crusade to improve Springfield's energy efficiency leads to mass unemployment, incurring the wrath of Mr. Burns.