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Season guide

Only Murders in the Building: Season 1

10 episodes Premiered Aug 31, 2021 Updated Jul 20, 2026

Only Murders in the Building is an American mystery‑comedy series created by Steve Martin and John Hoffman. The first season, consisting of ten episodes, premiered on Hulu on August 31 2021. It follows three strangers—Steve Martin, Martin Short and Selena Gomez—who share an obsession with true‑crime podcasts. When a grisly death occurs inside their exclusive Upper West Side apartment building, the trio suspects murde

Season overview

Only Murders in the Building is an American mystery‑comedy series created by Steve Martin and John Hoffman. The first season, consisting of ten episodes, premiered on Hulu on August 31 2021. It follows three strangers—Steve Martin, Martin Short and Selena Gomez—who share an obsession with true‑crime podcasts. When a grisly death occurs inside their exclusive Upper West Side apartment building, the trio suspects murder and apply their detailed knowledge of true‑crime investigations to uncover the truth. They begin recording their own podcast to document the case, and in doing so

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Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

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Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

True Crime

Aug 31, 2021 · 34 min

Upper West Side neighbors Charles, Oliver & Mabel bond over a shared love of true crime. When a fellow resident dies in their building, the trio determine to solve the mystery and

S1·E2 Core

Who Is Tim Kono?

Aug 31, 2021 · 30 min

The group begins researching the victim. Meanwhile, Mabel’s secretive past starts to be unraveled.

S1·E3 Core

How Well Do You Know Your Neighbors?

Aug 31, 2021 · 35 min

Oliver employs his theater director skills to analyze the case. Charles & Mabel question an obsessive cat lover.

S1·E4 Core

The Sting

Sep 7, 2021 · 34 min

Believing the murderer might be a famous resident whom is difficult to access, the group seeks advice from a renowned podcasting host.

S1·E5 Core

Twist

Sep 14, 2021 · 26 min

Mabel slips away on a solo mission tracking the victim's final days. Suspicious, Charles & Oliver follow her.

S1·E6 Core

To Protect and Serve

Sep 21, 2021 · 33 min

Mabel brings her new friends (and an old one) to her childhood home to meet her mother. Meanwhile, Detective Williams starts to have her own doubts about the case as she prepares f

S1·E7 Core

The Boy from 6B

Sep 28, 2021 · 32 min

With the investigation scratching at a web of old crimes originating inside the building, a mysterious young man turns the tables to spy on Charles, Oliver & Mabel.

S1·E8 Core

Fan Fiction

Oct 5, 2021 · 32 min

Hitting a dead end, the group calls for reinforcements in the form of their podcast’s Superfans.

S1·E9 Mytharc

Double Time

Oct 12, 2021 · 32 min

With the residents growing upset at the building’s negative publicity, the trio faces a revolt. Charles is visited by an old colleague who sheds light on his past.

S1·E10 Mytharc

Open and Shut

Oct 19, 2021 · 36 min

In the season finale, the trio races toward a resolution while their own lives are put in danger.