Air date: 2014-04-11

Runtime: 24 min

In isolation his entire life, Nagate must adjust to life in a centuries-old space colony while training as a cadet pilot to fight an ancient threat.

Air date: 2014-04-18

Runtime: 24 min

Nagate is haunted by his first combat experience against the Gauna. Later, he meets the elite pilots of Sidonia.

Air date: 2014-04-25

Runtime: 24 min

Exploring Sidonia, Nagate makes an enemy of Kunato while protecting a friend. The Gauna attack, calling the pilots into action.

Air date: 2014-05-02

Runtime: 24 min

After a disaster aboard Sidonia, Nagate and his team are ordered to retrieve a valued weapon. He later defies orders to save a friend.

Air date: 2014-05-09

Runtime: 24 min

Nagate and Shizuka, adrift in space, slowly run out of supplies as they await rescue from a departing Sidonia, which is too far away to send help.

Air date: 2014-05-16

Runtime: 24 min

Nagate and his squad graduate as pilots and are quickly sent into combat when the enemy returns; Kunato explores Nagate's history.

Air date: 2014-05-23

Runtime: 24 min

The enemy is revealed to be even larger and deadlier than previously believed, resulting in three squads engaging in a deadly fight.

Air date: 2014-05-30

Runtime: 24 min

Nagate is blamed for a defeat and harbors guilt over a casualty; the early years of Sidonia are revealed.

Air date: 2014-06-06

Runtime: 24 min

The Gauna find a distressing way to demoralize and out-fight the attack force. Nagate returns to Sidonia with a prize that may help in the fight.

Air date: 2014-06-13

Runtime: 24 min

Pacifists endanger themselves by leaving the relative safety of Sidonia, while the enemy shows up larger and fiercer than before.

Air date: 2014-06-20

Runtime: 24 min

A large strike force encounters an enemy unit that takes them by surprise; Nagate does what he can to protect his friends.

Air date: 2014-06-27

Runtime: 24 min

Nagate fights one-on-one with the heart of his enemy while the strike force does not fare well in its attack on the Gauna.