90
Ready to watch Diagnosis: Unknown? This 1960 Drama/Crime/Documentary series is available to watch right now. It's currently streaming on Tubi. If you'd like to own it digitally, you can buy Diagnosis: Unknown starting from $23.98 on Google TV.
Stream on Tubi with subscription
Included with your subscription in the US
Region
Stream
1 option
Buy
1 option
Prices last updated October 16, 2026. Pricing and availability may vary by region.
powered by JustWatch
Frequently Asked Questions
No, Diagnosis: Unknown is not currently available on Netflix. You can stream it on Tubi instead.
Yes, Diagnosis: Unknown is available to watch for free on Tubi.
Yes, you can purchase Diagnosis: Unknown digitally starting at $23.98 on Google TV.
Release Dates
First Aired
Jul 5, 1960
Last Aired
Sep 20, 1960
