Synopsis
Diagnosis: Unknown is an American medical drama that aired on CBS from July 5 to September 20, 1960. Produced by Bob Banner, the series aired as a summer replacement for The Garry Moore Show, a variety program.
Series Information
- Created By
- James A. Bank, Alan Woods
- First Aired
- 1960
- Last Aired
- 1960
- Seasons
- 1
- Episodes
- 9
- Episode Length
- 60 min
- Genre
- Crime, Drama, Documentary
- Network
- CBS
- Status
- Ended
- Rating
- 6.0 / 10 (2 votes)
Top Cast
Patrick O'Neal
Dr. Daniel Coffee
Phyllis Newman
Chester Morris
Martin Huston
Cal Bellini
Ready to watch Diagnosis: Unknown?
All seasons & episodes — free, HD, no signup.
▶ Watch Diagnosis: Unknown FreeSimilar Shows
Murder in Amish Country
2019 ★ 7.8
Pushed to Death
2025
Boston Med
2010
Agatha Christie's Hjerson
2021 ★ 6.0
No Angels
2004 ★ 5.9
Inspector Morse
1987 ★ 7.9
Beautiful People
2005 ★ 6.4
Vinyl
2016 ★ 7.0
Louie
2010 ★ 7.8
Save My Life: Boston Trauma
2015 ★ 7.0
Code Black
2015 ★ 7.8
The Perfect Murder
2014 ★ 8.2
Public Morals
2015 ★ 6.8
Rizzoli & Isles
2010 ★ 7.9
You May Also Like
The First 48
2004 ★ 7.9
Forensic Files
1996 ★ 7.9
Snapped
2004 ★ 7.8
Cold Case Files
1999 ★ 8.5
People Magazine Investigates
2016 ★ 8.6
American Monster
2016 ★ 7.4
Rescue 911
1989 ★ 7.9
A Haunting
2005 ★ 7.5
Fear Thy Neighbor
2014 ★ 8.0
I Shouldn't Be Alive
2005 ★ 7.1
Wild Crime
2021 ★ 6.4
Roman Empire
2016 ★ 6.9
American Murder: Gabby Petito
2025 ★ 7.2
Wormwood
2017 ★ 6.0
More Crime Series
Reacher
2022 ★ 8.1
The Mentalist
2008 ★ 8.4
Law & Order: Special Victims Unit
1999 ★ 8.0
Criminal Minds
2005 ★ 8.3
The Rookie
2018 ★ 8.5
NCIS
2003 ★ 7.6
CSI: Crime Scene Investigation
2000 ★ 7.6
Law & Order
1990 ★ 7.3
The Gentlemen
2024 ★ 7.8
Midsomer Murders
1997 ★ 7.5
Breaking Bad
2008 ★ 9.0
Bones
2005 ★ 8.2
Prison Break
2005 ★ 8.1
S.W.A.T.
2017 ★ 8.0
More with Patrick O'Neal
Columbo
1971 ★ 8.1
Murder, She Wrote
1984 ★ 7.5
The Alfred Hitchcock Hour
1962 ★ 7.9
The Twilight Zone
1959 ★ 8.5
Dr. Kildare
1961 ★ 5.7
Matinee Theater
1955 ★ 5.3
Robert Montgomery Presents
1950 ★ 6.0
The Philco Television Playhouse
1948 ★ 6.6
Night Gallery
1970 ★ 7.8
Hotel
1982 ★ 6.8
Marcus Welby, M.D.
1969 ★ 6.6
Studio One
1948 ★ 5.4
One Step Beyond
1959 ★ 5.7
Cannon
1971 ★ 6.7
More created by James A. Bank
Game of Thrones
2011 ★ 8.5
Stranger Things
2016 ★ 8.6
Money Heist
2017 ★ 8.2
The Walking Dead
2010 ★ 8.1
Squid Game
2021 ★ 7.9
Lucifer
2016 ★ 8.4
Riverdale
2017 ★ 8.4
The Boys
2019 ★ 8.4
The Good Doctor
2017 ★ 8.5
WandaVision
2021 ★ 8.2
The Big Bang Theory
2007 ★ 7.9
Loki
2021 ★ 8.2
The Flash
2014 ★ 7.7
Rick and Morty
2013 ★ 8.7
Trending Now
Silo
2023 ★ 8.2
Bleach
2004 ★ 8.4
The Grand Tour
2026 ★ 9.6
Lanterns
2026 ★ 8.3
Furious
2026 ★ 7.2
Ted Lasso
2020 ★ 8.4
Dark Matter
2024 ★ 7.8
Chad Powers
2025 ★ 8.0
Re:ZERO -Starting Life in Another World-
2016 ★ 8.1
One Piece
1999 ★ 8.7
The Early Spring
2026 ★ 7.6
Lioness
2023 ★ 8.1
Spider-Noir
2026 ★ 8.4
House of the Dragon
2022 ★ 8.4
Popular This Week
Watch What Happens Live with Andy Cohen
2009 ★ 4.9
Coronation Street
1960 ★ 5.4
Home Alone
2013 ★ 7.5
The Simpsons
1989 ★ 8.0
The Tonight Show Starring Jimmy Fallon
2014 ★ 5.8
The Late Show with Stephen Colbert
2015 ★ 6.1
El conquistador
2005 ★ 5.7
The Tonight Show Starring Johnny Carson
1962 ★ 7.5
Tagesschau
1952 ★ 6.8
Sesame Street
1969 ★ 7.1
American Dad!
2005 ★ 7.0
Explore related titles
Frequently Asked Questions
Where can I watch Diagnosis: Unknown online for free?
You can watch every season and episode of Diagnosis: Unknown online for free in HD on FreeFlix. No signup required.
How many seasons of Diagnosis: Unknown are there?
Diagnosis: Unknown has 1 season and 9 episodes, all available on FreeFlix.
Is Diagnosis: Unknown available in HD?
Yes, all episodes of Diagnosis: Unknown stream in HD with multiple backup sources.
Do I need an account or subscription?
No. FreeFlix is 100% free with no registration, payment, or account required.