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Neptune was released on January 1, 2019 but we couldn't find it on any streaming service yet. Rights can change — try again later.
Get the app to be notifiedCast · Directed by Jackson Eagan
More from Peter Knox · Co-star
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Neptune — streaming FAQ
Which OTT platform streams Neptune?
Neptune isn't streaming anywhere in United Kingdom yet.
Is Neptune on Netflix?
No, Neptune is not on Netflix in United Kingdom as of September 2026.
Is Neptune on Amazon Prime Video?
No, Neptune isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Neptune for free?
Neptune isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
What is the OTT release date for Neptune?
Neptune hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 19, 2019. This is a prediction, not a confirmed date.
