
Season 1 (1964-1965)
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Eleven Days to Zero
- Earthquakes are about to cause massive tidal waves on all the world's coasts;the Seaview must
travel to the North Pole to set off a bomb to counteract thewaves and save theworld.
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The City Beneath the Sea
- In the Aegean, ships are disappearing; Crane, undercover, discovers a city under the sea, run by a madman
intent on conquering the world.
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The Fear-Makers
- The Seaview is endangered when its crew is affected by a fear-causing gas.
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The Mist of Silence
- The Seaview is on a mission to pick up a defecting Latin American dictator; meanwhile,
Crane and several members of its crew are kidnapped by the dictator'sarmy.
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The Price of Doom
- The Seaview is attacked by plankton.
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The Sky is Falling
- Nelson and the Seaview encounter a flying saucer--but is its pilot friend or foe?
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Turn Back the Clock
- Nelson and Crane encounter dinosaurs in a tropical jungle beneath the Antarctic.
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The Village of Guilt
- The Seaview must fight a sea monster, and the scientist who created it.
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Hot Line
- A Soviet satellite crashes in the ocean near California, and the Seaview must
transport a Soviet scientist to disarm it before it explodes.
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Submarine Sunk Here
- The Seaview runs into a mine field and is trapped on the ocean's floor; the only thing that can
save it is its diving bell, which is broken.
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The Magnus Beam
- The crew of the Seaview must defeat a weapon which makes any metal weapons or tools ineffective.
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No Way Out
- While transporting a defecting communist agent to the United States, Nelson must find another
agent on board the Seaview before that agent can kill the defector.
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The Blizzard Makers
- Florida experiences unprecedented blizzards, and Nelson and the Seaview's crew must find out why.
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The Ghost of Moby Dick
- Nelson and the Seaview help a scientist find the whale that sunk his boat and killed his son.
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Long Live the King
- The Seaview must return a young prince to his homeland to become king before his country is taken
over by enemies of the United States, and before he is killed by enemies on board the Seaview.
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Hail to the Chief
- The President of the United States is injured, and must be treated aboard the Seaview; meanwhile,
enemy agents try to ensure that he will not recover.
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The Last Battle
- Nelson is kidnapped by Nazis and must, aided by a group of captive scientists, stop them from taking over
the world.
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Mutiny
- While Nelson appears to lose his reason, the Seaview encounters a giant jellyfish.
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Doomsday
- The United States mistakes a foreign power's satellite launch for the outbreak of war, and the
Seaview is on alert; the Seaview's missile launch is cancelled just in time, but
one of their missiles is still active.
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The Invaders
- The Seaview finds hundreds of capsules containing ancient beings in suspended animation.
One is brought back to life--but is he friend or foe?
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The Indestructible Man
- A robotic astronaut returns from space, having gathered important data, and the Seaview
recovers it, only to find that it has been reprogrammed.
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The Buccaneer
- The Seaview is taken over by an art collector intent on stealing the Mona Lisa, which is being
transported on a passing ship.
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The Human Computer
- As an experiment, the Seaview is sent out, run entirely by a computer, with Crane along to observe.
He soon realizes, however, that he is not alone.
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The Saboteur
- Crane is brainwashed and ordered to sabotage the Seaview's mission of deactivating missiles--and
to kill Nelson.
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Cradle of the Deep
- A small particle of primitive bacteria grows into a giant organism, putting the Seaview and its crew
in great danger.
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The Amphibians
- Scientists turn themselves, and captured human divers, into amphibians.
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The Exile
- Nelson is trapped on a raft at sea with the supposedly-defecting dictator of a foreign power.
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The Creature
- The Seaview is attacked by a giant manta ray which emits ultrasonic waves.
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The Enemies
- Nelson and Crane are trapped on an island where they are made the subjects of an experiment involving
a drug which turns friends to enemies.
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Secret of the Loch
- Through an underground tunnel, the Seaview enters Loch Ness and searches for its monster.
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The Condemned
- The Seaview is used to test an experimental pressure system which will allow it to dive below its crush
depth, but problems arise with the scientist in charge ofthe experiment.
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The Traitor
- Nelson's sister is kidnapped by foreign agents, and his loyalty is in question.
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Season 2 (1965-1966)
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Jonah and the Whale
- While the Seaview helps Soviet scientists salvage an undersea laboratory, Nelson and one
of the scientists, in a diving bell, are swallowed by a giant whale.
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Time Bomb
- Nelson is unknowingly injected with a mixture that will cause him to explode if he comes in
contact with radioactive materials--and he is on a mission to secretly investigate a Soviet nuclear
facility!
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And Five of Us Are Left
- The Seaview rescues five survivors of a United States submarine sunk during WorldWar II.
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The Cyborg
- Nelson is held captive in a scientist's laboratory, while a cyborg replica of Nelson takes
his place on the Seaview.
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Escape from Venice
- Crane, undercover in Venice with an important decoding device, is chased by enemy agents, and
Nelson must find and save him.
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The Left-Handed Man
- Nelson must discover the truth when the man up for the job of Secretary of Defense may or may not
be a traitor.
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The Deadliest Game
- While Crane takes the President of the United States and several Pentagon officials to an undersea
bomb shelter, it appears that a nuclear attack has begun.
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Leviathan
- On the way to assist a scientist friend of Nelson, the crew of the Seaview sees monsters--or do they?
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The Peacemaker
- Crane, undercover, enters a foreign power to bring back a defected American scientist.
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The Silent Saboteurs
- An American space capsule is shot down by a mysterious ray, and Crane must discover its origin.
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The X Factor
- A kidnapped American scientist is transformed into a mannequin, to be transported to and revived
in a foreign country.
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The Machines Strike Back
- Nelson loses control of a drone submarine and the Seaview must find out why.
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The Monster from Outer Space
- The Seaview recovers a returning outer-space probe and is attacked by an alien organism that
attached itself to the probe.
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Terror on Dinosaur Island
- Nelson and Sharkey are trapped on a prehistoric island, complete with dinosaurs.
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Killers of the Deep
- United States missiles are being stolen from their silos on the bottom of the ocean and the Seaview
investigates.
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Deadly Creature Below
- The Seaview picks up two escaped prisoners lost at sea.
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The Phantom Strikes
- The Seaview meets up with a man claiming to be the commander of a World War I German submarine,
not realizing that he is actually a ghost out to take over Crane's body.
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The Sky's On Fire
- In the Antarctic, a meteor shower has set the sky on fire, and Nelson plans to put out the fire
with a nuclear bomb.
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Graveyard of Fear
- The Seaview helps a scientist salvage a youth serum from a sunken research ship; however, they
must also face a giant man-of-war.
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The Shape of Doom
- A giant whale swallows a nuclear bomb carried by the Seaview--and heads in the direction of a ship
carrying the President of the United States.
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Dead Men's Doubloons
- The crew of the Seaview encounter a pirate's curse on the Isle of Death.
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The Death Ship
- The Seaview, testing a new automated system, is populated only by Nelson, Crane, and a group of
scientists. When the scientists begin dying one by one, Nelson and Crane must find the traitor.
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The Monster's Web
- The Seaview encounters a giant undersea spider.
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The Menfish
- A scientist has discovered how to turn fish into partly-human creatures; when the Seaview arrives,
he starts to experiment on members of its crew.
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The Mechanical Man
- An android scientist visits the Seaview; unknown to Nelson, he is intent on taking over the world.
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Season 3 (1966-1967)
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Monster from the Inferno
- The Seaview battles an alien being capable of controlling the crew's minds; real trouble
begins when it starts to siphon off the sub's energy.
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Werewolf
- A visiting scientist is transformed into a werewolf.
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The Day the World Ended
- While transporting an influential senator, the crew of the Seaview seems to be losing
touch with reality.
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Night of Terror
- The Seaview's diving bell is washed away by a tidal wave onto a tropical island, complete
with pirates and treasure.
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The Terrible Toys
- The Seaview rescues a sailor lost at sea with nothing but his clothes and a bag of
toys--very unusual toys.
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Day of Evil
- Nelson is impersonated by an alien intent on starting a nuclear war on Earth.
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Deadly Waters
- The Seaview rescues Kowalski's brother, a diver using experimental diving gear to investigate
a sunken submarine. When the sub explodes and damages the Seaview, the experimental suit
may be their only hope.
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The Thing from Inner Space
- Patterson's father, a member of the camera crew of a television scientist, is killed by a sea monster;
the Seaview accompanies the scientist on a return trip to find the monster.
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The Death Watch
- Nelson, Crane and Sharkey are the only crew aboard the Seaview; Sharkey is caught in the middle
as Crane and Nelson try to kill each other.
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Deadly Invasion
- The Seaview inadvertently takes aboard alien spaceships, the occupants of which intend to take
over an underwater nuclear plant.
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The Haunted Submarine
- The Seaview is attacked by a sailing ship from hundreds of years past, and everyone on the sub
is immobilized--except for Nelson.
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The Plant Man
- While helping telepathically bonded twin scientists--one good, one evil--the Seaview is
attacked by a giant plant man created by the evil twin.
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The Lost Bomb
- A plane carrying a powerful bomb is attacked, and the bomb falls to the bottom of the sea; the
Seaview must reach it before an enemy submarine can--and before it explodes.
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The Brand of the Beast
- Nelson is exposed to high levels of radiation, which once again turn him into a werewolf.
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The Creature
- The Seaview is attacked by a mysterious sea creature, which takes over Crane and other crew
members in an attempt to control the ship.
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Death from the Past
- The Seaview discovers a WWII German sub; two of its crew have been preserved by suspended
animation. Upon waking, they attempt to continue the war.
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The Heat Monster
- An Arctic scientist brings an alien to earth and is killed by the intense heat it produces; on
answering the scientist's call for help, the Seaview brings the creature aboard and must defeat
it before they suffer the same fate.
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The Fossil Men
- The Seaview discovers the crew of a sub sunken many years earlier--but its crew have been turned
into rock-like creatures, and intend to do the same to thecrew of the Seaview.
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The Mermaid
- Crane sees a mermaid, follows and captures her, and brings her aboard the Seaview.
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The Mummy
- The Seaview must transport a mummy from the United States to its original owner, a Middle-Eastern
country, in an attempt to avert a war. Enroute, the mummy wakes up, takes over Crane's mind, and does
its best to keep itself from being delivered.
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The Shadowman
- While launching a space probe, the crew of the Seaview is taken over by an alien who wants the
launch to fail.
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No Escape from Death
- While searching for an underwater laboratory, the Seaview crashes into another sub. While
repairing the damage from the accident, they must also contend with a giant man-o-war, the product
of the lab.
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Doomsday Island
- The Seaview brings aboard a giant undersea egg, which hatches, and its amphibian inhabitant
starts to destroy the ship--it is one of an alien race who wants to use the sub to take over the world.
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The Wax Men
- A clown exchanges the Seaview's crew for wax dummies, thereby taking over the ship.
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Deadly Cloud
- Crane takes the Flying Sub into a mysterious cloud, is taken over by aliens, and returns to the
Seaview.
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Destroy Seaview!
- A brainwashed Nelson sabotages the Seaview's attempts to locate an important new element.
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Season 4 (1967-1968)
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Fires of Death
- On a mission to stop a volcano from destroying a large part of the world, Nelson's
efforts are hampered by a visiting scientist looking for a stone which can cause
eternal youth.
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The Deadly Dolls
- A puppeteer, brought on board the Seaview to entertain the crew, replaces
crewmembers with puppet duplicates, thus taking over the ship.
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Cave of the Dead
- The Seaview encounters the Flying Dutchman and is in danger of inheriting
her its curse.
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Journey with Fear
- The Seaview is used to launch a space ship, and Morton and Crane find themselves
transported to the planet Venus.
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Sealed Orders
- While on an important mission to deliver a powerful bomb, the Seaview is troubled
by the disappearance of many of its crew--and the possibility that the bomb they are
carrying may explode.
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Man of Many Faces
- Nelson must contend with both a master of disguise and the impending collision of the
earth and the moon.
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Fatal Cargo
- The Seaview is endangered by a mind-controlled gorilla.
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Time Lock
- Nelson is kidnapped and brought to the future, to become part of a museum-quality collection
of historical military officers.
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Rescue
- The Seaview is attacked from without, by an enemy wubmarine, and within, by a saboteur.
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Terror
- The Seaview is threatened by plant creatures who intend to take over the earth by
controlling its inhabitants--starting with Nelson.
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A Time to Die
- Nelson and the Seaview face the mild-mannered Mr. Pem, who happens to own
a powerful time-travel machine.
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Blow Up
- After using an experimental breathing device, Nelson starts to become paranoid,
and act strangely, endangering the ship.
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The Deadly Amphibians
- The Seaview is attacked by an undersea amphibious people intent on using the
ship for their own purposes.
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The Return of Blackbeard
- While guarding a ship with the president of the United States and a visiting dignitary
on board, the men of the Seaview are recruited to be Blackbeard's pirate crew.
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The Terrible Leprechaun
- The Seaview is endangered by an evil, greedy leprechaun who is after undersea gold,
and their only chance may be the help of his good, but less powerful, brother.
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The Lobster Man
- The Seaview encounters an alien who claims to be friendly--but is he?
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Nightmare
- Crane, in the Flying Sub, returns to the Seaview and finds a very confusing
state of affairs--to start with, the crew is gone.
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The Abominable Snowman
- After rescuing members of a scientific mission in the Antarctic, the Seaview's
crewmembers are attacked by what may be the Abominable Snowman.
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Secret of the Deep
- Blackmailers are threatening the countries of the world with attacks on their ships,
and the Seaview must find the source.
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Man-Beast
- An experimental atmosphere in the diving bell causes Crane to become a man-beast.
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Savage Jungle
- Aliens plan to take over the world by covering it with plant life; the Seaview must
stop them, but the sub is also being taken over by the vegetation.
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Flaming Ice
- Alien frost men attempt to destroy the world by flooding it with melted polar ice.
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Attack!
- A flying saucer destroys the United States' Pacific Fleet and threatens to destroy the
planet, and the crew of the Seaview must stop them.
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The Edge of Doom
- The Seaview must deliver an important defense device--but there is an enemy agent
on board and Nelson must discover who it is.
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The Death Clock
- Crane must contend with an evil doppelganger--a fourth-dimensional being intent on killing
Nelson.
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No Way Back
- Mr. Pem returns, offering help to Nelson but actually plotting to change history.
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