Season 1
26 episodes · Oct 6, 1999
Follow 487 stranded students forced to build a society aboard a spaceship after a disaster. Over time, their journey evolves from a survival drama into a psychological breakdown of leadership, power, and human behavior.
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S1E1The Forthcoming Time
Oct 6, 199925mStudents train at the Liebe Delta station; tensions and relationships are introduced before disaster strikes.
S1E2Unnecessary Things
Oct 13, 199925mA sabotage incident begins to destabilize the station, causing confusion and mistrust.
S1E3Beyond the Vast Sea
Oct 20, 199925mThe crisis escalates as the station is dragged toward the dangerous “Sea of Geduld.”
S1E4The Ring of Ryvius
Oct 27, 199925mThe station is destroyed; surviving students escape aboard the hidden spaceship Ryvius, now stranded without adults.
S1E5A Little Harmony
Nov 3, 199925mStudents begin forming a fragile society aboard the Ryvius.
S1E6My Moment
Nov 10, 199925mA coup led by Blue takes control; the Vital Guarder weapon system is discovered.
S1E7The Changing Times
Nov 17, 199925mPower struggles deepen as leadership fractures and factions form.
S1E8We Didn't Know Anything
Nov 24, 199925mThe crew struggles to understand the ship and their situation.

S1E10Even If You Can't Believe
Dec 8, 199925mThe Ryvius is attacked; it fights back but becomes a target of authorities and is forced to flee.
S1E11When the Party's Over
Dec 15, 199925mAfter a brief celebration, the crew are labeled terrorists; rationing and inequality begin.
S1E12Whereabouts of the Future
Dec 22, 199925mThe crew debates their direction and survival strategy.



S1E16Deforming World
Jan 19, 200025mThe ship’s internal society becomes increasingly unstable.

S1E18Incomprehensible
Feb 2, 200025mThe survivors reflect on their failures and misunderstandings.

S1E20Things You Can't Give Up
Feb 16, 200025mIkumi seizes control of the ship using the Vital Guarder, enforcing strict rule.

S1E22In Order to Survive
Mar 1, 200025mMartial law intensifies as survival becomes the only priority.


S1E25In Order to Stay as Myself
Mar 22, 200025mPersonal identity and choices come to the forefront.
S1E26Tomorrow
Mar 29, 200025mWith the Final battle and resolution, survival comes at a cost. The remaining crew moves toward an uncertain future.