Menu Icon
Tubi logo
Browse
Arrowhead Down Icon
Browse
Close Icon
Popular
Featured
First Time on Tubi
Half-Baked Hits
Leaving Soon!
Most Liked
Most Popular
New Episodes
New Releases
Recently Added
Recommended
Recommended TV
Staff Picks
Super-Powered Hits
Top Searched
Trending Now
Tubi Originals
Genres
Action
Adult Animation
Adult Comedy
Anime
Art-House Films
Based on True Events
Classics
Comedy
Crime TV
Documentary
Docuseries
Drama
Faith
Family Movies
Family Series
Film Noir
Foreign Films
Foreign TV
Heist Films
Home & Garden
Horror
Indie Films
Italian Horror & Giallo
Killer Thrillers
LGBTQIA+
Lifestyle
Martial Arts
Music & Concerts
Mystery
Myths & Legends
Reality TV
Romance
Sci-fi & Fantasy
Slashers
Spanish Language
Sports Movies & Shows
Spy Movies
Stand Up Comedy
Sword & Sorcery
Thrillers
Travel
True Crime
TV Comedies
TV Dramas
Westerns
Collections
A Tribute To Kilmer
Actors Turned Directors
April Fools-Proofs Picks
Audio Description
Award Winners & Nominees
Based on a Book
Between the Ropes
Black Cinema
Black Cinema By Tubi
Bollywood Dreams
British Crime TV
Cancelled Too Soon
City as Character: Los Angeles
Cult Classics
Denzel-Verse
Epics
Gangster Films
Good Eats
Highly Rated on Rotten Tomatoes
Indie Darlings
K-Drama +
Keeping the Faith
Live from Couchella
Modern Classics
Money Talks
Movie Night!
New-stalgia
Nostalgia TV
Octane Overload
Only Free on Tubi
Saturday Morning Cartoons
Series Spotlight
She Got Game
Weekly Watchlist
When Nature Strikes Back
Young and Restless
Networks
A&E
Classic Doctor Who
Complex Networks
CONtv
Docurama
Dove Channel
DUST
FilmRise
FOX
FOX SOUL
FOX Sports
Full Moon Features
Hallmark
K-Content by CJ ENM
Lifetime
LOL! Network
Shout! Factory TV
So...Real
TMZ Presents
TV One
Movies
TV Shows
Live TV
Español
Tubi Kids
NFL Draft Center
Help Icon
Help Center
Terms of Use
Privacy Policy
Contact Support
Sign In
Register
Search Icon
Play Icon
Play S01:E01
Add to My List
Share
Diagnosis Unknown
2004
TV-14
Documentary
·
Drama
·
Mystery
Diagnosis: Unknown: The extraordinary stories of doctors, patients and the fight to survive.
Starring:
Ryan LeTempt
Chelsea Stroud
Tyler Allen
Justin Dray
Anna Gilfeather
Al Chewning
Directed by:
Bertrand Morin
John Kavanaugh
David Haycox
Season 2
Arrowhead Down Icon
Season 1
Season 2
S02:E01
Loading
S02:E02
Loading
S02:E03
Loading
S02:E04
Loading
S02:E05
Loading
S02:E06
Loading
S02:E07
Loading
S02:E08
Loading
S02:E09
Loading
S02:E10
Loading
Chevron Circle Right Icon
Tubi logo
Slash
Diagnosis Unknown
Facebook
Instagram
Twitter
LinkedIn
COMPANY
About Us
Careers
Contact
SUPPORT
Contact Support
Help Center
Supported Devices
Activate Your Device
Accessibility
PARTNERS
Advertise with Us
Partner with Us
GET THE APPS
iOS
Android
Roku
Amazon Fire
PRESS
Press Releases
Tubi in the News
LEGAL
Privacy Policy (Updated)
Terms of Use (Updated)
Your Privacy Choices
Cookies
Copyright © 2025 Tubi, Inc.
Tubi is a registered trademark of Tubi, Inc.
All rights reserved.
Device ID: d8783d61-4c36-4da2-bd31-37cc48cfb4c6
Made with
Heart
in San Francisco