Where can I watch “ER” Season 15 Episode 18 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 15 helps you follow the plot and character arcs leading into this episode.

Watch ER Season 15 Episode 18 Online

“What We Do” — Watch "ER" Season 15 Episode 18 online in HD for free. Check streaming providers, cast, and episode details.

Mar 5, 2009 Season 15 Episode 18 45 min TV-14

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ER Season 15

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Season 15 Episode 18 — Aired on Mar 5, 2009 • runs about 45 minutes.

Directed by David Zabel.

Written by David Zabel.

Notable cast/guest names in this episode include Maura Tierney, Parminder Nagra, Linda Cardellini, Scott Grimes.

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

Looking for “watch ER Season 15 Episode 18 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

A camera crew shooting footage for a documentary interviews members of the ER staff. Detective Claudia Diaz is brought in, critically injured with gunshot wounds. Neela laments the lack of communication between her and Brenner. Sam struggles to reconcile with her mother. Carter's condition worsens quite suddenly.