E1
The Mysterious Metal
Where to watch
Not available in United States
Streaming in 2 other countries
Secret Beneath the Sea isn't on any streaming service in United States right now, but it's available in Guernsey, United Kingdom. Streaming rights are licensed per country.
Seasons & Episodes
E2
Voyage Into Danger
E3
Sabotage
E4
The X - Layer
E5
The Take Over
E6
Death Trap
Cast
More from Gerald Flood · Lead actor
More from Stewart Guidotti · Co-star actor
Secret Beneath the Sea — streaming FAQ
Which OTT platform streams Secret Beneath the Sea?
Secret Beneath the Sea isn't on any streaming service in United States yet, but it's available in United Kingdom and Guernsey. Streaming rights differ by country — switch your country in the header to see where.
Is Secret Beneath the Sea on Netflix?
No, Secret Beneath the Sea is not on Netflix in United States as of September 2026.
Is Secret Beneath the Sea on Amazon Prime Video?
No, Secret Beneath the Sea isn't on Amazon Prime Video in United States right now.
Where can I watch Secret Beneath the Sea for free?
Secret Beneath the Sea isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in Secret Beneath the Sea?
Secret Beneath the Sea has 1 season in total (6 episodes). The series concluded in 1963.
Are all episodes of Secret Beneath the Sea out yet?
Yes — all 6 episodes across 1 season of Secret Beneath the Sea are out and available to stream.
Is there a Season 2 of Secret Beneath the Sea?
No — Secret Beneath the Sea ended after 1 season, so there is no Season 2.
