Secret Beneath the Sea (1963) | All episodes

The Mysterious Metal

Release Date: 1963-02-16

Voyage Into Danger

Release Date: 1963-02-23

Sabotage

Release Date: 1963-03-02

The X-Layer

Release Date: 1963-03-09

Take-Over

Release Date: 1963-03-16

The Death Trap

Release Date: 1963-03-23