E1 - Commencement

Aired: April 11, 2014

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.

E2 - Oblivion

Aired: April 18, 2014

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

E3 - Glory

Aired: April 25, 2014

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

E4 - Sacrifices

Aired: May 02, 2014

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

E5 - Adrift

Aired: May 09, 2014

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.

E6 - Salutations

Aired: May 16, 2014

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

E7 - Resolve

Aired: May 23, 2014

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

E8 - Immortality

Aired: May 30, 2014

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

E9 - Empathy

Aired: June 06, 2014

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.

E10 - Decisions

Aired: June 13, 2014

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

E11 - Collision

Aired: June 20, 2014

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

E12 - Home

Aired: June 27, 2014

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.