The BEST episodes of Voyage to the Bottom of the Sea season 2

Every episode of Voyage to the Bottom of the Sea season 2, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Voyage to the Bottom of the Sea season 2!

Join the crew of the Seaview aboard their super high-tech submarine, where no mission is too dangerous and no threat is too deadly, be it enemy agents, mad scientists, deadly sea creatures, or impending nuclear disaster.

Last Updated: 8/21/2024Network: FOXStatus: Ended
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The Sky's On Fire
star
8.30
10 votes

#1 - The Sky's On Fire

Season 2 - Episode 18 - Aired 1/23/1966

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, feels they should do nothing and allow the fire to burn out. Nelson disagrees and takes Weber and two others aboard Seaview to decide the course of action as the sub races to the firing point. However, Weber is determined to stop Nelson and is willing to kill to do it!

Directors: Sobey Martin
Watch Now:Amazon
The Monster from Outer Space
star
7.92
64 votes

#2 - The Monster from Outer Space

Season 2 - Episode 13 - Aired 12/19/1965

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

Directors: James B. Clark
Watch Now:Amazon
The Phantom Strikes
star
7.90
10 votes

#3 - The Phantom Strikes

Season 2 - Episode 17 - Aired 1/16/1966

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

Directors: Sutton Roley
Watch Now:Amazon
Killers of the Deep
star
7.87
8 votes

#4 - Killers of the Deep

Season 2 - Episode 15 - Aired 1/2/1966

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

Directors: Harry Harris
Watch Now:Amazon
Terror on Dinosaur Island
star
7.75
8 votes

#5 - Terror on Dinosaur Island

Season 2 - Episode 14 - Aired 12/26/1965

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

Directors: Leonard J. Horn
Watch Now:Amazon
The Death Ship
star
7.56
9 votes

#6 - The Death Ship

Season 2 - Episode 22 - Aired 2/20/1966

Things go wrong when Nelson and Crane test out a new automated system for Seaview.

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The X Factor
star
7.40
63 votes

#7 - The X Factor

Season 2 - Episode 11 - Aired 12/5/1965

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

Directors: Leonard J. Horn
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The Left-Handed Man
star
7.39
66 votes

#8 - The Left-Handed Man

Season 2 - Episode 6 - Aired 10/31/1965

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

Directors: Jerry Hopper
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Deadly Creature Below!
star
7.33
9 votes

#9 - Deadly Creature Below!

Season 2 - Episode 16 - Aired 1/9/1966

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.

Directors: Sobey Martin
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The Shape of Doom
star
7.30
10 votes

#10 - The Shape of Doom

Season 2 - Episode 20 - Aired 2/6/1966

Dr. Alex Holden is hunting a gigantic whale in which he has injected an experimental growth serum. It turns on the doctor and destroys his boat, killing his crew. He is rescued by Seaview, which was on route to plant a nuclear device to blast an undersea channel. Dr. Holden obsesses over getting his swallowed equipment from the whale when it turns and comes at the sub, swallowing the bomb as it is being lowered! Nelson cannot detonate the bomb, as the president's carrier is in the area. The nearly insane Dr.Holden steals Nelson's remote detonating device and threatens to blow up the whale if he's not permitted to get samples of the whale.

Directors: Nathan Juran
Watch Now:Amazon
The Return of the Phantom
star
7.20
10 votes

#11 - The Return of the Phantom

Season 2 - Episode 26 - Aired 3/20/1966

Captain Krueger returns to compel Nelson to shoot Crane. Once that is done, Krueger takes over Crane's body and searches out a host for Lani, Krueger's dead lover, so the two can be reunited. Can Admiral Nelson save his friend and end the plans of the evil Captain forever?

Directors: Sutton Roley
Watch Now:Amazon
Graveyard of Fear
star
7.14
7 votes

#12 - Graveyard of Fear

Season 2 - Episode 19 - Aired 1/30/1966

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.

Directors: Justus Addiss
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The Monster's Web
star
7.14
7 votes

#13 - The Monster's Web

Season 2 - Episode 23 - Aired 2/27/1966

Captain Gantt, an ego-maniacal scientist, is in a nuclear sub testing a powerful new fuel. Due to his bungling, the sub crashes into a giant web and is attacked by a monstrous sea spider. The Seaview investigates and rushes to retrieve the remaining fuel canisters before the enormous underwater pressure collapses the test sub and detonates the fuel - an explosion which would kill millions!

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The Cyborg
star
7.07
70 votes

#14 - The Cyborg

Season 2 - Episode 4 - Aired 10/17/1965

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

Directors: Leo Penn
Watch Now:Amazon
The Machines Strike Back
star
7.06
64 votes

#15 - The Machines Strike Back

Season 2 - Episode 12 - Aired 12/12/1965

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

Directors: Nathan Juran
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The Deadliest Game
star
7.04
96 votes

#16 - The Deadliest Game

Season 2 - Episode 7 - Aired 11/7/1965

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

Directors: Sobey Martin
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The Mechanical Man
star
7.00
10 votes

#17 - The Mechanical Man

Season 2 - Episode 25 - Aired 3/13/1966

Drs. Paul Ward and Peter Omir have discovered a powerful new element -- Subterranium 116. This element can produce limitless pure energy, but Omir may have another agenda.

Directors: Sobey Martin
Watch Now:Amazon
Dead Men's Doubloons
star
6.87
8 votes

#18 - Dead Men's Doubloons

Season 2 - Episode 21 - Aired 2/13/1966

A 16th century pirate seemingly comes back from the grave to threaten Seaview.

Directors: Sutton Roley
Watch Now:Amazon
The Peacemaker
star
6.75
94 votes

#19 - The Peacemaker

Season 2 - Episode 9 - Aired 11/21/1965

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.

Directors: Sobey Martin
Watch Now:Amazon
The Menfish
star
6.71
7 votes

#20 - The Menfish

Season 2 - Episode 24 - Aired 3/6/1966

With Admiral Nelson away, his old friend Admiral Park takes over Seaview's current mission. Dr. Borgman is conducting experiments, and Park suspects he is up to no good.

Watch Now:Amazon
The Silent Saboteurs
star
6.58
65 votes

#21 - The Silent Saboteurs

Season 2 - Episode 10 - Aired 11/28/1965

Asian powers attempt to interfere with the American Space Program.

Directors: Sobey Martin
Watch Now:Amazon
...And Five of Us Are Left
star
6.57
68 votes

#22 - ...And Five of Us Are Left

Season 2 - Episode 3 - Aired 10/3/1965

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

Directors: Harry Harris
Watch Now:Amazon
Escape from Venice
star
6.54
68 votes

#23 - Escape from Venice

Season 2 - Episode 5 - Aired 10/24/1965

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

Directors: Alex March
Watch Now:Amazon
Time Bomb
star
6.25
44 votes

#24 - Time Bomb

Season 2 - Episode 2 - Aired 9/26/1965

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

Directors: Sobey Martin
Watch Now:Amazon
Leviathan
star
6.20
71 votes

#25 - Leviathan

Season 2 - Episode 8 - Aired 11/14/1965

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

Directors: Harry Harris