As of July 2026, Voyage to the Bottom of the Sea Season 2 aired in 1965 with 26 episodes. Full episode guide and where to watch below.

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Voyage to the Bottom of the Sea Season 2

1965 26 Episodes Action & Adventure · Drama ⭐ 8/10

Voyage to the Bottom of the Sea Season 2 is currently streaming on major platforms, and it earns its premise rather than just borrowing genre trappings. The 1-season run is exactly the right length for what it is doing. Its 8/10 TMDB score, built from 136 ratings, reflects a title that consistently delivers. Richard Basehart's performance is the anchor the more ambitious scenes need. Put it on tonight and see for yourself.

There is a reason Voyage to the Bottom of the Sea Season 2 keeps coming up in conversation. Voyage to the Bottom of the Sea Season 2 treats its concept seriously enough to follow it all the way through. Season 2 of Voyage to the Bottom of the Sea includes 26 episodes. It aired from September 1965 to March 1966. This season stars Richard Basehart, David Hedison and Terry Becker. Richard Basehart and David Hedison lead a cast that brings real weight to the material. It was aired in 1965. The rules of Voyage to the Bottom of the Sea Season 2's world are consistent enough that the big swings never feel like cheating. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

Voyage to the Bottom of the Sea Season 2 is satisfying on multiple levels — something to watch and something to think about after. It stands on its own even without an obvious comparison point. It is a manageable watch, easy to fit into a single week. Richard Basehart anchors it with a performance that makes the more abstract moments feel personal. If you have been burned by ambitious sci-fi before, this is the exception.

📡 Where to Watch Voyage to the Bottom of the Sea Season 2

Not currently available on major streaming platforms. Check back soon.

🎬 Voyage to the Bottom of the Sea Season 2 — Episode Guide

Jonah and the Whale

The Seaview is on a joint mission with Russian scientists to salvage the remains of a Soviet undersea lab. While a scientist is being lowered in the diving bell, a giant whale arrives and rams the bell. The glass is shattered, killing him. Nelson and the remaining Russian scientist, Katya Markova, ...

Nelson is injected with a radioactive material that makes him a walking time bomb. This episode marks the first appearance of the FS-1!

...And Five of Us Are Left

Seaview comes to the rescue of newly discovered WWII survivors living in an underwater cave beneath a rumbling volcano.

Cybernetic genius Tabor Ulrich creates a perfect mechanical duplicte of Admiral Nelson. His plot: to make the crew of the Seaview they are fighting World War Three. In doing so, the sub will launch nuclear missles at the China, Russia and the USA. After the holocaust, Ulrich plans to take over and u...

Escape from Venice

Crane is caught up with a circle of spies as he tries to make his way back to Seaview with important missile defense data.

The Left-Handed Man

Nelson works on finding an assassin before he can kill the new Secretary of State.

The Deadliest Game

While inspecting undersea bomb shelters with the President, aides attempt a power grab.

Nelson and crew are invited to a marine scientist's undersea lab for a visit but there is giant sea life in the way.

Defecting scientists create a proton bomb, but are killed by a foriegn power and the bomb is captured. A surviving scientist works at disarming the bomb...with other plans in mind.

The Silent Saboteurs

Asian powers attempt to interfere with the American Space Program.

A toy manufacturer is involved with kidnapping and shipping politicians and scientists to foreign powers.

The Machines Strike Back

A missile defense platform-drone malfunctions and threatens to destroy the East Coast of the US.

The Monster from Outer Space

A space probe returns to earth and is recovered by Seaview...only to unleash an alien organism aboard.

Terror on Dinosaur Island

A submerged domed island is forced to the surface by its volcano and exposes a Jurassic-style world.

Killers of the Deep

A foreign power is salvaging sunken nuke missiles from the ocean floor to make themselves a superpower.

Deadly Creature Below!

Seaview rescues two men adrift at sea, only to discover they are escaped prisoners intent on not returning to prison. While they attempt to hijack the sub, an undersea creature surfaces to menace the Seaview.

The Phantom Strikes

Seaview encounters a sunken WWI sub...with someone still left aboard.

The Sky's On Fire

Cruising for days under the ice, Seaview surfaces to find the sky is ablaze thanks to the Van Allen belt catching fire. Nelson races to Washington to confer with fellow scientists and hatches a plan to detonate a nuclear device into the atmosphere and extinguish the fire. Weber, a Fellow scientist, ...

Graveyard of Fear

A scientist and his secretary come aboard Seaview when their research vessel is sunk by a giant Portugese Man-Of-War. They want Admiral Nelson to return to the scene, but won't tell him the real reason.

The Shape of Doom

Dr. Alex Holden is hunting a gigantic whale in which he has injected an experimental growth serum. It turns and destroys his boat, killing his crew. He is rescued by Seaview, which was on en route to plant a nuclear device to blast an undersea channel Holden obsesses over getting his swallowed equip...

🎭 Cast of Voyage to the Bottom of the Sea Season 2

Richard Basehart

Richard Basehart

Adm. Harriman Nelson

David Hedison

Terry Becker

Del Monroe

Paul Trinka

Richard Bull

Robert Dowdell

📋 All Seasons of Voyage to the Bottom of the Sea

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