- Herbert Garrison now dons a wig, which resembles the hairstyle of Donald Trump.
- This is the first episode since "Grounded Vindaloop" not to feature Randy Marsh.
- Stan and Kenny don't appear in this episode, though they do appear in Kyle's flashbacks of the pictures on the wall from Heidi's emoji analysis.
- The music played during Mr. Garrison's scenes is a mixture of the songs, "The Imperial March (Darth Vader's Theme)" and "Hail to the Chief".
- Elon Musk, who is a fan of the show, voiced himself in this episode. He was previously voiced by Matt Stone in "Handicar".
- In each instance SpaceX has been seen from the outside, the cars in the parking lot and their positions remain constant. SpaceX was last seen in "Oh, Jeez".
- During the tour at SpaceX, Elon Musk shows the group the Hyperloop and Falcon 9 Full Thrust rocket. Both are actual products that SpaceX currently works on.
References to Popular Culture
- The big screen inside "Diplomat and Strategy negotiation room" appears to be based on the video game DEFCON in which you control an alliance leading up to and during all-out nuclear war.
- The UK Foreign Secretary bears a close resemblance to the real Foreign Secretary, Boris Johnson.
- When Cartman and Heidi are at SpaceX and notice the other people waiting to go to Mars, singer Cher is one of the people there. This is a reference to an actual comment the singer made during the 2016 presidential election, claiming that she would be leaving the planet if Donald Trump won the election.
- When Caitlyn Jenner checks on Mr. Garrison at Tom's Rhinoplasty, he is shown from the back sitting in a chamber, as his toupee is being put on his head by a mechanical claw and then turns around to face her. The scene is a reference to the Star Wars movie "The Empire Strikes Back" involving Darth Vader and his meditation chamber.
- Inside Tom's Rhinoplasty, a portrait of actor David Hasselhoff is prominently hanging in the lobby. Mr. Garrison previously had his face reconstructed to look like David Hasselhoff in "Tom's Rhinoplasty".
- Butters mentions the film 9 to 5, a 1980 comedy film about 3 female office employees who team up to get even and overthrow their lying, sexist male boss.
- The song played during the memberberries scene at the private club and later again at the White House is "Sing, Sing, Sing" by Benny Goodman.
- The member berry who was thrown into Caitlyn Jenner's drink was named Mickey. This is a joke referring to a Mickey (or a Mickey Finn); a drink laced with a psychoactive drug or an incapacitating agent.
- Moments before Gerald calls Ike, Ike can be seen playing Watch Dogs 2 on his computer.
- Kyle has flashbacks of Heidi's emoji analysis explanation from "Fort Collins" including 2 flashbacks from the previous episode "Oh, Jeez".
- Mr. Garrison recalls the events of "Where My Country Gone?" to PC Principal.
- The parody of Cher's song "Believe" that was played in "Two Guys Naked in a Hot Tub" is heard again in this episode.
- This is the first time Ike is shown being grounded.
- Butters sings his song "I've Got Some Apples" while at SpaceX. This song was previously sung by him in "Stupid Spoiled Whore Video Playset" and "Erection Day".