While all six of the main cast members were credited, no new footage of them was featured. Gail, Todd, Erica, and Carol made appearances from archived footage from "Falling Slowly" and "30 Years of Science Down the Tubes". Phil and Melissa do not make appearances whatsoever.
The cliffhanger regarding the drones from the mentioned episodes is finally resolved as it is revealed that Pamela had been flying the drone.
The presidential successors after Donald Trump include Michael Pence, Paul Davis Ryan Jr., Rex Wayne Tillerson, Steven Terner Mnuchin, Jeffrey Beauregard Sessions, and Betsy DeVos.
Another glimpse of the triage operations is seen in a high school track and football field.
While Laura Branigan's "Gloria" was featured in the promos for this episode, the actual song that Pamela dances to in the episode is The Pointer Sisters' "Neutron Dance".
Franz Xaver Gruber's "Silent Night" plays during Pamela's epiphany that she is only "okay" as Jeremy is there with her in the bunker.