Only Murders in the Building Season 4 commences with a captivating episode titled "Once Upon a Time in the West," immediately immersing viewers in a new, intricate mystery. The trio of true crime enthusiasts - Mabel Mora (Selena Gomez), Oliver Putnam (Martin Short), and Charles-Haden Savage (Steve Martin) - find themselves grappling with the unexpected death of their friend and Charles' stunt double, Sazz Pataki (Jane Lynch).

The episode begins with a nostalgic montage of childhood home videos, a heartwarming prelude that subtly foreshadows the intertwining of past and present. This nostalgic interlude serves to deepen our connection to the characters, establishing their shared passion for storytelling and performance.
As the trio celebrates the conclusion of Charles' play, a power surge disrupts the festivities. This seemingly insignificant event becomes a pivotal clue, hinting at a connection to the building's mysterious past and perhaps to Sazz's untimely demise. When they discover Sazz's apartment to be empty and suspiciously clean, the trio realizes the gravity of the situation and immediately sets about investigating.
The discovery of a mysterious text message from Sazz's phone, claiming she's embarked on an urgent trip to Los Angeles, introduces a new layer of complexity to the case. As they grapple with the implications of this message, the trio is presented with a golden opportunity: a Hollywood studio is eager to adapt their podcast into a feature film. Thrilled by the prospect, they embark on a trip to Los Angeles, hoping to both pursue their newfound fame and uncover the truth about Sazz's disappearance.
In the bustling city of angels, the trio encounters a colorful array of characters, including the eccentric Paramount executive, Bev Melon (Molly Shannon). Their meeting with the studio is filled with humorous moments as they navigate the intricacies of Hollywood and the absurdity of their newfound celebrity. The introduction of the actors who will portray them in the film - Zach Galifianakis, Eva Longoria, and Eugene Levy - provides ample opportunities for comedic relief and further deepens the characters' relationships.
While in Los Angeles, the trio takes a break from their Hollywood pursuits to investigate Sazz's apartment. The apartment is in disarray, suggesting a hasty departure. The discovery of numerous unanswered letters and packages further fuels their suspicions. It becomes clear that Sazz was leading a double life, and someone was desperate to conceal her secrets.
As the investigation intensifies, the trio receives a chilling phone call from an unknown caller who threatens their lives. This ominous development adds a sense of urgency to their search for Sazz's killer. The climax of the episode arrives when they discover Sazz's body in the building's incinerator. The gruesome discovery confirms their worst fears and propels the trio into a desperate race to uncover the truth.
"Once Upon a Time in the West" is a masterclass in mystery storytelling. The episode expertly blends humor, suspense, and character development, leaving viewers eager for more. By delving deeper into the lives of our beloved trio and introducing a complex new mystery, the series has set a high bar for the rest of the season.
Key elements explored in this episode include:
Nostalgia and the past: The opening montage and the recurring references to the building's history create a sense of nostalgia and foreshadowing.
The power of storytelling: The characters' passion for true crime and their ability to turn their experiences into compelling narratives is a central theme of the series.
The complexities of friendship: The trio's bond is tested as they navigate the challenges of fame and grief.
The dark underbelly of Hollywood: The episode offers a satirical look at the entertainment industry and the lengths people will go to achieve success.
With its intriguing plot, memorable characters, and stylish cinematography, "Once Upon a Time in the West" is a must-watch for fans of the series.