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The Alienist — streaming FAQ
Which OTT platform streams The Alienist?
The Alienist is streaming on Sky Go in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.
Is The Alienist on Netflix?
No, The Alienist is not on Netflix in United Kingdom as of August 2026. It's currently on Sky Go.
Is The Alienist on Amazon Prime Video?
The Alienist isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.
Where can I watch The Alienist for free?
The Alienist is available to stream free (with ads) on Channel 4 and UKTV Play in United Kingdom.
How many seasons are in The Alienist?
The Alienist has 2 seasons in total (18 episodes). The series concluded in 2020.
Are all episodes of The Alienist out yet?
Yes — all 18 episodes across 2 seasons of The Alienist are out and available to stream.
Is there a Season 3 of The Alienist?
No — The Alienist ended after 2 seasons, so there is no Season 3.
What book is The Alienist based on?
The Alienist is based on The Alienist by Caleb Carr.