Season 3 as a whole moved toward a "harder" science fiction approach, and Episode 7 exemplifies this by centering the plot on quantum mechanics and astrophysics.

: The narrative pushes the ensemble into increasingly dangerous territory. According to summaries from Rotten Tomatoes and IMDb , the group is forced to make a "devastating sacrifice" as the battle between humans and aliens escalates with deadly ramifications. Heady Sci-Fi Themes

: Catherine Durand, under immediate threat, manages to contact the astronaut Richard with critical data regarding the black hole activity. This information is vital for the plan to close the rift between timelines.