6.9 (107)Age rating
CC
HD
TV-14
1 Season - 42min
Buy
Starts at $2.99 / Episode
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min
30 Days Free
Then $9.99 / month
Runtime
42min
Age rating
TV-14
Quality
HD
PROMOTED
CC
HD
TV-14
1 Season - 42min
30 Days Free
Then $9.99 / month
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min - English
7 Days Free
Then $5.99 / month
Runtime
42min
Age rating
TV-14
Quality
HD
Audio languages
English
Subtitle languages
English
CC
HD
TV-14
1 Season - 42min
7 Days Free
Then $5.99 / month
Available until
12/31/2029
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min - English
Subscription
retail price
Runtime
42min
Age rating
TV-14
Quality
HD
Audio languages
English
Subtitle languages
English
CC
HD
TV-14
1 Season - 42min - English
Free with ads
retail price
Runtime
42min
Age rating
TV-14
Quality
HD
Audio languages
English
CC
HD
TV-14
1 Season - 42min
Free
retail price
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min
Buy
Starts at $2.99 / Episode
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min
Buy
Starts at $2.99 / Episode
Runtime
42min
Age rating
TV-14
Quality
HD
CC
HD
TV-14
1 Season - 42min - English
Buy
Starts at $2.99 / Episode
Runtime
42min
Age rating
TV-14
Quality
HD
Audio languages
English
CC
TV-14
1 Season - 42min
Bundle
retail price
Runtime
42min
Age rating
TV-14
Quality
SD
CC
TV-14
1 Season - 42min
Bundle
retail price
Runtime
42min
Age rating
TV-14
Quality
SD
CC
TV-14
1 Season - 42min
Bundle
retail price
Runtime
42min
Age rating
TV-14
Quality
SD
CC
TV-14
1 Season - 42min
Bundle
retail price
Runtime
42min
Age rating
TV-14
Quality
SD
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Currently you are able to watch "Killer Unknown" streaming on Hulu, Discovery+ Amazon Channel, Discovery +, Discovery plus ID Amazon Channel or for free with ads on The Roku Channel. It is also possible to buy "Killer Unknown" as download on Amazon Video, Apple TV, Fandango At Home.
What happens when some of the finest investigators in the country come out of retirement to put their collective talents and years of experience towards the most notorious cold cases in Tulsa?
