Aired: 4/11/2014
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.
Aired: 4/18/2014
Nagate is haunted by his first combat experience against the Gauna. Later, he meets the elite pilots of Sidonia.
Aired: 4/25/2014
Exploring Sidonia, Nagate makes an enemy of Kunato while protecting a friend. The Gauna attack, calling the pilots into action.
Aired: 5/2/2014
After a disaster aboard Sidonia, Nagate and his team are ordered to retrieve a valued weapon. He later defies orders to save a friend.
Aired: 5/9/2014
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.
Aired: 5/16/2014
Nagate and his squad graduate as pilots and are quickly sent into combat when the enemy returns; Kunato explores Nagate's history.
Aired: 5/23/2014
The enemy is revealed to be even larger and deadlier than previously believed, resulting in three squads engaging in a deadly fight.
Aired: 5/30/2014
Nagate is blamed for a defeat and harbors guilt over a casualty; the early years of Sidonia are revealed.
Aired: 6/6/2014
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.
Aired: 6/13/2014
Pacifists endanger themselves by leaving the relative safety of Sidonia, while the enemy shows up larger and fiercer than before.
Aired: 6/20/2014
A large strike force encounters an enemy unit that takes them by surprise; Nagate does what he can to protect his friends.
Aired: 6/27/2014
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.
