Infinite Ryvius (Season 1)

The Forthcoming Time (Episode 1)

Air date: 1999-10-06

Runtime: 25 min

Overview: Students train at the Liebe Delta station; tensions and relationships are introduced before disaster strikes.

Unnecessary Things (Episode 2)

Air date: 1999-10-13

Runtime: 25 min

Overview: A sabotage incident begins to destabilize the station, causing confusion and mistrust.

Beyond the Vast Sea (Episode 3)

Air date: 1999-10-20

Runtime: 25 min

Overview: The crisis escalates as the station is dragged toward the dangerous “Sea of Geduld.”

The Ring of Ryvius (Episode 4)

Air date: 1999-10-27

Runtime: 25 min

Overview: The station is destroyed; surviving students escape aboard the hidden spaceship Ryvius, now stranded without adults.

A Little Harmony (Episode 5)

Air date: 1999-11-03

Runtime: 25 min

Overview: Students begin forming a fragile society aboard the Ryvius.

My Moment (Episode 6)

Air date: 1999-11-10

Runtime: 25 min

Overview: A coup led by Blue takes control; the Vital Guarder weapon system is discovered.

The Changing Times (Episode 7)

Air date: 1999-11-17

Runtime: 25 min

Overview: Power struggles deepen as leadership fractures and factions form.

We Didn't Know Anything (Episode 8)

Air date: 1999-11-24

Runtime: 25 min

Overview: The crew struggles to understand the ship and their situation.

Vital Guarder (Episode 9)

Writer: Yuichiro Takeda

Air date: 1999-12-01

Runtime: 25 min

Overview: The giant weapon is activated as external threats emerge.

Even If You Can't Believe (Episode 10)

Writer: Yuichiro Takeda

Air date: 1999-12-08

Runtime: 25 min

Overview: The Ryvius is attacked; it fights back but becomes a target of authorities and is forced to flee.

When the Party's Over (Episode 11)

Air date: 1999-12-15

Runtime: 25 min

Overview: After a brief celebration, the crew are labeled terrorists; rationing and inequality begin.

Whereabouts of the Future (Episode 12)

Air date: 1999-12-22

Runtime: 25 min

Overview: The crew debates their direction and survival strategy.

If Only to Meet (Episode 13)

Air date: 1999-12-29

Runtime: 25 min

Overview: Personal relationships intensify amid isolation.

To Be Too Conscious (Episode 14)

Air date: 2000-01-05

Runtime: 25 min

Overview: Class divisions and resentment worsen onboard.

Swept Away (Episode 15)

Air date: 2000-01-12

Runtime: 25 min

Overview: The Ryvius drifts further from help; morale declines.

Deforming World (Episode 16)

Air date: 2000-01-19

Runtime: 25 min

Overview: The ship’s internal society becomes increasingly unstable.

Free Order (Episode 17)

Air date: 2000-01-26

Runtime: 25 min

Overview: Authority structures begin to collapse.

Incomprehensible (Episode 18)

Air date: 2000-02-02

Runtime: 25 min

Overview: The survivors reflect on their failures and misunderstandings.

Smiling With You (Episode 19)

Air date: 2000-02-09

Runtime: 25 min

Overview: Moments of humanity appear amid growing chaos.

Things You Can't Give Up (Episode 20)

Air date: 2000-02-16

Runtime: 25 min

Overview: Ikumi seizes control of the ship using the Vital Guarder, enforcing strict rule.

We Don't Need Tomorrow (Episode 21)

Air date: 2000-02-23

Runtime: 25 min

Overview: The crew becomes divided under harsh leadership.

In Order to Survive (Episode 22)

Air date: 2000-03-01

Runtime: 25 min

Overview: Martial law intensifies as survival becomes the only priority.

Torn Past (Episode 23)

Air date: 2000-03-08

Runtime: 25 min

Overview: Characters confront their past actions and guilt.

Kouji Aiba (Episode 24)

Air date: 2000-03-15

Runtime: 25 min

Overview: Kouji challenges Ikumi’s rule as outside forces close in.

In Order to Stay as Myself (Episode 25)

Air date: 2000-03-22

Runtime: 25 min

Overview: Personal identity and choices come to the forefront.

Tomorrow (Episode 26)

Air date: 2000-03-29

Runtime: 25 min

Overview: With the Final battle and resolution, survival comes at a cost. The remaining crew moves toward an uncertain future.