Tide-Line Blue

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Alternative Titles

Japanese: タイドライン・ブルー


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Jul 7, 2005 to Sep 29, 2005
Premiered: Summer 2005
Broadcast: Thursdays at 02:40 (JST)
Source: Original
Genres: ActionAction, AdventureAdventure, DramaDrama
Theme: MilitaryMilitary
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 6.581 (scored by 33023,302 users)
1 indicates a weighted score.
Ranked: #62912
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #7124
Members: 8,037
Favorites: 6

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Ranked #6291Popularity #7124Members 8,037
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Episodes: /12


The catastrophe, "Hammer of Eden," resulted in the loss of six billion lives and the flooding of 90% of the land. The New United Nations were formed to pursue peace on the ruined lands 14 years later. Keel is a boy living in a town called Yabitsu, an area which prospered due to the energy from the nuclear generator brought by the catastrophe. His next kin, Aoi, is the secretary general of the New United Nations. She views the catastrophe as an opportunity to create a new world in which nations can help one another overcome differences in races and religions. However, her efforts to realise that vision fail because of the unwillingness of the nations to change. Gould, a military officer, feels that the only way to make an order is through the military. Using Ulysses, a nuclear submarine, along with his crew, including Keel's brother Tean, Gould carries out a coup to declare war against the New United Nations in his attack on Yabitsu.

(Source: ANN)

Characters & Voice Actors


Tomisawa, Nobuo
Episode Director, Storyboard, Key Animation
Yano, Yuuichirou
Episode Director, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Blue Treasure" by Minami Kuribayashi

Ending Theme

"Voice" by Tatsuhisa Suzuki


May 18, 2021
A lesser title among Bandai's Waterworld inspired anime from the early oughts, I can't even recall ever hearing about it before I got it. I think it was a con purchase that just happened to catch my eye back in the day. But it turned out alright.

So the world we know is underwater, a massive globe spanning current has manifested (think an aquatic ether stream), a very small team of astronauts are stuck in orbit trying to map out the oceans for those who survived, and our complete yutz of a main protagonist is suddenly protecting a VERY pregnant girl on a state ...
Oct 6, 2008
Tide-Line Blue is basicly a military drama, action is included but its mostly just watching torpedoes being fired at back and forth. Therefore what really makes up this series is the characters, plot and drama.

The story is nothing great, its rather quite simple but its ingenious in its simplicity.
Simple but touching, not complex but still intriguing because of this it flows very naturaly and at a high pace which just draws you in.

I dont have much so say about this, its average, I think the characters movement and motions seem more fluent and detailed then usual otherwise its good but not great.

Just amazing, I ...
Mar 30, 2009
Mixed Feelings
No awards for this anime anytime soon, so hey if you like obsucrity this is it.

This story's plotline is a very sturdy, but boring. After the "Hammer of Eden" hit in this anime's world the world became flooded. The world seems at peace until the Ulyses begins to strike the small island that Isla and Keel, the main characters, live in. The thing about this anime is that it's just a military drama. It's just too boring. Nothing ever really happens and when it does it's at the very end of the episode. The whole "world is split up into alliances" bit is ...

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Recent News

Recent Forum Discussion

Poll: Tide-Line Blue Episode 12 Discussion
Hawksman - Nov 9, 2012
7 repliesby SlammyHammy »»
Nov 10, 2023 8:18 PM
Poll: Tide-Line Blue Episode 10 Discussion
Hawksman - Nov 9, 2012
4 repliesby SlammyHammy »»
Nov 10, 2023 7:58 PM
Isla and the child
hyptocalus - Mar 24, 2010
4 repliesby SlammyHammy »»
Nov 10, 2023 7:51 PM
Poll: Tide-Line Blue Episode 6 Discussion
Hawksman - Nov 9, 2012
3 repliesby SlammyHammy »»
Nov 9, 2023 2:07 PM
Poll: Tide-Line Blue Episode 3 Discussion
Hawksman - Nov 9, 2012
4 repliesby SlammyHammy »»
Nov 9, 2023 2:02 PM