Season 1
26 episodes · Apr 9, 2008
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S1E1Underwater Island Drive
Apr 9, 200823mConstruction of an artificial island is disrupted by an unexplained phenomenon known as "burning sea". Masamichi Haru is injured by burning sea during a test of early Meta-Real technology, leaving him comatose for fifty years. Now elderly and wheelchair-bound, he still hopes to solve the mystery of burning sea. His friend Eichiro Kushima now hopes to use the Meta-Real, also known as the Metal, to research the burning sea phenomenon.
S1E2Girl
Apr 16, 200823mAoi Minamo is hired to be Haru's assistant. When burning sea causes a power outage that threatens life support systems on the artificial island, Minamo rushes to the electrical substation, while Haru uses his cyberbrain to dive into the Metal Network.
S1E3Re-dive
Apr 23, 200823mHaru struggles to become proficient enough at Metal diving to help Kushima's research. During his final test, he experiences braindown.
S1E4Atoll of Desire
Apr 30, 200823mHaru has become an official investigator and is asked to dive into the Metal to rescue the consciousness of an Artificial Island shareholder who has experienced braindown.
S1E5Sous Marin
May 7, 200823mMinamo searches for a pair of antique Sous-Marin sunglasses as a gift to congratulate Haru on becoming an official investigator. During the search, Minamo and Sota have a run-in with champion fighter Iron Schwartz.
S1E6Love Letter
May 14, 200823mBecause of her lack of a cyberbrain to read online texts, Minamo must find a physical book for a book report. Her discovery reveals the true story of a lost love.
S1E7Hand in Hand
May 21, 200823mMinamo and Haru discover a dog whose consciousness was swapped with that of his owner. They hurry to find the owner's body before it becomes too late for them to switch them back.
S1E8No Friend
May 28, 200823mMinamo and Sota investigate reports of ghost sightings at Minamo's school.
S1E9Employment
Jun 4, 200823mMinamo and Sota's father shuts down the core server to minimize damage from a virus intrusion, putting his job on the line.
S1E10Supremacy Negotiations
Jun 11, 200823mThose who contact a mysterious oracle in the Metal named Eliza end up with lost memories. During the investigation, Minamo realizes that Haru has been talking to none other than Eliza.
S1E11Just Intonation
Jun 18, 200823mMinamo tries to help violinist Ichinose, who has been discouraged ever since Kushima suddenly quit playing violin long ago.
S1E12Morning Without Light
Jun 25, 200823mMinamo meets Amy, a girl who has just received cybernetic eyes to cure her blindness, but learns that Amy is struggling to adjust to being able to see. Meanwhile, Haru is asked to investigate the disappearance of a highly sought-after artist in the Metal.
S1E13Another Sea
Jul 2, 200823mHaru reminisces about his youth, from his parents' struggles with poverty that led to trouble with the yakuza, to his meeting a dolphin that inspired his fascination with the sea, and finally to his exploration of the ruins of his city, now underwater because of climate change, which led him to become a test diver for early Meta-Real experiments.
S1E14Wave and Wind
Jul 9, 200823mMinamo goes for a dive in the sea. This episode is a recap of the series so far.
S1E15Last Dinner
Jul 16, 200823mHaru investigates cyberbrain deterioration in a group of food connoisseurs.
S1E16Clear Power
Jul 23, 200823mSota tries to train enough to defeat Holon in battle. Meanwhile, Haru investigates a case of a female android being illegally used for prostitution.

S1E18Green Rebellion
Aug 6, 200823mHaru, Minamo, Sota, and Holon go to a distant jungle island to investigate a mysterious background noise in the Metal. All seems well until ionization in the rainforest disrupts Holon's cyberbrain.
S1E19Returning Water Drops
Aug 13, 200823mHolon collapses, and the others attempt to complete their investigation without her help.
S1E20With These Feet
Aug 20, 200823mAt the jungle island, Haru realized that he can learn to walk again, and he begins to practice in secret to avoid jeopardizing his job as a Metal diver. Meanwhile, Minamo gets tested for suitability to receive a cyberbrain.
S1E21Eternity
Aug 27, 200823mFollowing the success of weather particle experimentation, the Secretary-General and Jeni En want to install weather particle plants as soon as possible. Kushima is opposed to the plan, suspecting that the weather particles will cause complications that threaten the Artificial Island. Meanwhile, Sota goes on a date with Holon.
S1E22Peaceful Death
Sep 3, 200823mKushima goes missing, and is later found without his cyberbrain. Brain death will occur within twelve hours, so Sota and Holon search for his cyberbrain while Haru searches the Metal for his consciousness. Meanwhile, with Kushima missing from the Trustee meeting, the Secretary-General has no choice but to approve Jeni En's motion to begin bringing the weather particle plants online.
S1E23Human Commandments
Sep 10, 200823mWith help from the Secretary-General, Sota deciphers the clues to bringing Kushima's cyberbrain back online, but instead of Kushima, an emergency AI awakens. The AI explains Kushima's suspicion that the weather particles cause the burning sea phenomenon, convincing the Secretary-General to halt weather particle production until Kushima can prove his theory. However, Jeni En temporarily revokes the Secretary-General's authority with a vote of no confidence.
S1E24Earth Commandments
Sep 17, 200823mSota breaks into the weather particle facility with help from Haru in the Metal, but before he can reach the control room where the weather particle launch can be halted, Sota must fight Jeni En.
S1E25Last Dive
Sep 24, 200823mAfter the spread of weather particles, drastic weather changes occur across the planet, and the burning sea phenomenon returns. Haru decides to use the experimental deep dive suit in an attempt to make contact with Kushima.
S1E26Real Drive
Oct 1, 200823mHaru makes contact with Eliza and receives Kushima's proof that the weather particles will cause worldwide disaster. Haru broadcasts the proof on the Metal, and the world's leaders quickly agree to shut down the Metal to kill the weather particle nanomachines. Kushima's consciousness then contacts Haru and explains that the ocean itself will replace the functionality of Metal via the salt water in the human body. Haru, restored to his younger self, is safely returned to the surface, where he reunites with Minamo.