Where to watch
The Three Investigators in The Secret of Terror Castle isn't on any streaming service in United Kingdom right now, but it's available in Belgium, France, French Guiana, French Polynesia and 3 more. Streaming rights are licensed per country.
Cast · Directed by Florian Baxmeyer
More from Chancellor Miller · Lead actor
More from Nick Price · Co-star actor
More from Florian Baxmeyer · Director
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The Three Investigators in The Secret of Terror Castle — streaming FAQ
Which OTT platform streams The Three Investigators in The Secret of Terror Castle?
The Three Investigators in The Secret of Terror Castle isn't on any streaming service in United Kingdom yet, but it's available in Belgium, Switzerland and France and other countries. Streaming rights differ by country — switch your country in the header to see where.
Is The Three Investigators in The Secret of Terror Castle on Netflix?
No, The Three Investigators in The Secret of Terror Castle is not on Netflix in United Kingdom as of September 2026.
Is The Three Investigators in The Secret of Terror Castle on Amazon Prime Video?
No, The Three Investigators in The Secret of Terror Castle isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch The Three Investigators in The Secret of Terror Castle for free?
The Three Investigators in The Secret of Terror Castle isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
Is there a sequel to The Three Investigators in The Secret of Terror Castle?
The Three Investigators in The Secret of Terror Castle is currently the latest film in the Three Investigators Collection.
Is there a prequel to The Three Investigators in The Secret of Terror Castle?
Yes — The Three Investigators in The Secret of Skeleton Island (2007) comes before The Three Investigators in The Secret of Terror Castle in the Three Investigators Collection.
Is The Three Investigators in The Secret of Terror Castle part of a trilogy?
No — The Three Investigators in The Secret of Terror Castle is part of the Three Investigators Collection, which has 2 films.
How many movies are in the Three Investigators Collection?
There are 2 films in the Three Investigators Collection: The Three Investigators in The Secret of Skeleton Island (2007) and The Three Investigators in The Secret of Terror Castle (2009).
