: Her death at the hands of Walternate serves as the emotional catalyst for Peter and Walter to "cheat the rules of time".
Reviewers at the time noted the episode's "epic scope" and its bold choice to unsettle viewers through drastic character deaths and cosmetic changes, like Broyles' damaged eye or Astrid’s new hair. [S3E22] The Day We Died
: His presence in the prime universe as a leader of the "End of Dayers" reflects a tragic symmetry; he seeks to make Peter feel the same pain he felt when his world was stolen. : Her death at the hands of Walternate
: This episode introduced a unique, gray-toned credit sequence featuring futuristic concepts like "Brain Porting" and "Temporal Plasticity," but also abstract concepts like "Hope" and "Water". Character Deconstruction : [S3E22] The Day We Died