It is a phenomenal season finale that manages to provide closure for the immediate threat while pivoting the entire series toward its final, dark chapter.
The series finale of Fringe's fourth season, titled (or "Il Coraggio di un Nuovo Mondo, Parte 2" in Italian), serves as a high-stakes bridge between the "Amber" timeline of Season 4 and the dystopian future of Season 5. The Narrative Stakes Fringe_4x22_Il_Coraggio_Di_Un_Nuovo_Mondo_Secon...
This moment is masterfully tense. Watching Walter make the choice to shoot Olivia in the head to save the world is a brutal reminder of his "old" personality's ruthlessness. However, the immediate "revival" via the Cortexiphan healing her brain feels slightly like a deus ex machina , though it fits the established lore of the drug. Key Character Arcs It is a phenomenal season finale that manages
The final scene where September warns Walter that "They are coming" is a perfect cliffhanger. It effectively shifts the show's genre from investigative sci-fi to a survival/resistance drama for the final season. Final Verdict Rating: 4.5/5 Pros: Watching Walter make the choice to shoot Olivia
The visual effects of the collapsing worlds provide a grand scale.
It ties up the "Bell vs. Bishop" rivalry that had been simmering since Season 1. Cons:
The climax is one of the most shocking moments in the series. Walter realizes the only way to stop the collapse is to eliminate the power source—which happens to be Olivia, fueled by .