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Watching earlier episodes in season 5 helps you follow the plot and character arcs leading into this episode.

Watch Only Murders in the Building Season 5 Episode 1 Online

Q: Where can I watch “Only Murders in the Building” Season 5 Episode 1 online?

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“Nail in the Coffin” — Watch "Only Murders in the Building" Season 5 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.

Sep 9, 2025 Season 5 Episode 1 39 min TV-MA

9.7 ★ ★ ★ ★ ★

177 votes

Only Murders in the Building Season 5

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Season 5 Episode 1 — Aired on Sep 9, 2025 • runs about 39 minutes.

Directed by John Hoffman.

Written by John Hoffman, Taylor Cox.

Notable cast/guest names in this episode include Steve Martin, Martin Short, Selena Gomez, Michael Cyril Creighton.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Only Murders in the Building Season 5 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

While investigating Lester’s mysterious "accidental" death, the clues lure Charles, Oliver, and Mabel out of Manhattan — and straight into some dangerous new "old" territory.