- The Cameo: Homer tries to fantasize about Paul Newman, but even his own imagination turns him down.Paul Newman: Homer, I'll tell you what I told Redford: "It ain't gonna happen."
- Even Evil Has Standards: Burns thought going into the core was dangerous, even by his standards although heís told why.
- Freudian Excuse: Burns' cover story for the death of Smithers' father (killed by Amazons) is implied to be the reason behind Smithers' homosexuality. At the very least it explains his freak out in the precedent episode when he was at a strip club.
- Heroic Sacrifice: Waylon Smithers Sr.
- Oedipus Complex: This episode implies Mr Burns became a Parental Substitute to Smithers after his dad died, making his crush on him all the more creepy.
- O.O.C. Is Serious Business: Burns tries to plea with Smithers Sr. not to go into the core because thatís highly dangerous, considering he doesnít often think about the wellbeing of his employees. Then, grieving Smithers Sr. after what happened. Burns also feels guilty about never telling Smithers about his dad's death because he wasn't sure how to break the news. He didn't lie when he said his Smithers Sr. was his friend.
- Series Continuity Error: Smithers is shown as a baby around the time Homer was a teenager, but other episodes including "Bart Star" and "Bye Bye Nerdie" showed Homer and Smithers in school together.