Season 1
2021 · 10 episodes · 5h 24m in all · 9.2/10
When a grisly death occurs inside their exclusive Upper West Side apartment building, three strangers who share an obsession with true crime suspect murder and employ their precise knowledge of true crime to investigate the truth. As they record a podcast of their own to document the case, the three unravel the complex secrets of the building which stretch back years. Perhaps even more explosive are the lies they tell one another. Soon, the endangered trio comes to realize a killer might be living amongst them as they race to decipher the mounting clues before it’s too late.

Episodes

1. True Crime
31 Aug 2021 · 34 min · 9.0/10
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 record an accompanying podcast.

2. Who Is Tim Kono?
31 Aug 2021 · 30 min · 9.1/10
The group begins researching the victim. Meanwhile, Mabel’s secretive past starts to be unraveled.

3. How Well Do You Know Your Neighbors?
31 Aug 2021 · 35 min · 9.1/10
Oliver employs his theater director skills to analyze the case. Charles & Mabel question an obsessive cat lover.

4. The Sting
7 Sept 2021 · 34 min · 9.2/10
Believing the murderer might be a famous resident whom is difficult to access, the group seeks advice from a renowned podcasting host.

5. Twist
14 Sept 2021 · 26 min · 9.1/10
Mabel slips away on a solo mission tracking the victim's final days. Suspicious, Charles & Oliver follow her.

6. To Protect and Serve
21 Sept 2021 · 33 min · 9.0/10
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 for motherhood.

7. The Boy from 6B
28 Sept 2021 · 32 min · 9.3/10
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.

8. Fan Fiction
5 Oct 2021 · 32 min · 9.2/10
Hitting a dead end, the group calls for reinforcements in the form of their podcast’s Superfans.

9. Double Time
12 Oct 2021 · 32 min · 9.3/10
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.

10. Open and Shut
19 Oct 2021 · 36 min · 9.3/10
In the season finale, the trio races toward a resolution while their own lives are put in danger.
Only Murders in the Building Season 1: quick answers
How many episodes are in Only Murders in the Building Season 1?
Season 1 of Only Murders in the Building has 10 episodes, about 5 hours in total.
When did Only Murders in the Building Season 1 come out?
Season 1 premiered on 31 Aug 2021.
What is the best episode of Only Murders in the Building Season 1?
By viewer score, episode 10, “Open and Shut”, at 9.3/10.