E1Episode 1
Where to watch
Not available in United States
Streaming in 1 other country
Diagnosis isn't on any streaming service in United States right now, but it's available in Poland. Streaming rights are licensed per country.
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
E7Episode 7
E8Episode 8
E9Episode 9
E10Episode 10
E11Episode 11
E12Episode 12
E13Episode 13
Cast
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Diagnosis — streaming FAQ
Which OTT platform streams Diagnosis?
Diagnosis isn't on any streaming service in United States yet, but it's available in Poland. Streaming rights differ by country — switch your country in the header to see where.
Is Diagnosis on Netflix?
No, Diagnosis is not on Netflix in United States as of August 2026.
Is Diagnosis on Amazon Prime Video?
No, Diagnosis isn't on Amazon Prime Video in United States right now.
Where can I watch Diagnosis for free?
Diagnosis isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in Diagnosis?
Diagnosis has 4 seasons in total (52 episodes). The series concluded in 2019.
Are all episodes of Diagnosis out yet?
Yes — all 52 episodes across 4 seasons of Diagnosis are out and available to stream.
Is there a Season 5 of Diagnosis?
No — Diagnosis ended after 4 seasons, so there is no Season 5.