Currently available on 1 streaming service.

Streaming, rent, or buy ER – Season 4:

You are able to buy "ER - Season 4" on Apple TV as download.

Where can I watch ER for free?

There are no options to watch ER for free online today in Canada. You can select 'Free' and hit the notification bell to be notified when season is available to watch for free on streaming services and TV.

Cast

Maura Tierney
Abby Lockhart
Parminder Nagra
Neela Rasgotra
Linda Cardellini
Samantha Taggart
Scott Grimes
Archie Morris
David Lyons
Simon Brenner
Angela Bassett
Catherine Banfield
John Stamos
Tony Gates