Currently available on 1 streaming service.

Streaming, rent, or buy Numb3rs – Season 4:

You are able to buy "Numb3rs - Season 4" on Apple TV as download.

Where can I watch Numb3rs for free?

There are no options to watch Numb3rs 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.