The gang rockets into orbit to prevent catastrophe! As a battle rages above Earth, Kio tries to shut down the plummeting mothership's computer. When he learns that only a Catian can issue the order, he makes a surprising move!

The Catian mothership is plummeting toward Earth! With Captain Kune's bell in his possession, Kio takes command of the feline forces, and the gang races off to Russia to build a rocket and avert disaster!

The Christmas season is here and the Catians get caught up in the spirit of giving. Captain Kune arrives on Earth with a gift for Kio, but the festivities grind to a halt thanks to a well-executed Dogishuan attack!

After traveling through space for many years, Lawry, the first Assistroid ever created, visits Earth. Kio is taken back by her human-like appearance, and Eris explains the surprising history shared by the Catians and the Assistroids.

Aoi challenges Manami to step up her training, so the girls head into the woods for a one-on-one war game. Little do they know, as each stalks the other through the forest, a hidden threat is taking aim at them both.

Summer's over, class is back in session, and Kio is surprised to see that Eris and Antonia have enrolled at his school. When the gang goes on a field trip to the beach, they soon find their fun interrupted by an enemy attack!

Aoi's frustrated by her lack of cooking ability and Manami wants to get better at handling guns. They get a chance to hone their skills in a virtual reality room on the Catian mothership - and both get to spend time with a virtual Kio.

Aoi and Manami undertake a high seas raid to free Kio and Eris from Antonia's lavish - and heavily armed - yacht. The battle is intense, and Aoi is left unconscious in the belly of the ship. Can Kio get to her before the vessel sinks?

Kio and the girls head to Tokyo for a day of shopping. Unfortunately, their trip is derailed when a kitty-loving cult attacks their train. With Kio and Eris in danger, Manami, Aoi, and the Assistroids begin planning a rescue.

Labeled traitors by their former organizations, Manami and Aoi take refuge in the new embassy of Catia - Kio's house! The girls discover they aren't out of hot water just yet, though, when an intruder attempts a bath time raid!

When Eris is taken captive by one of the many secret organizations on her tail, Kio springs into action and organizes a rescue attempt. Of course, with alien technology at her disposal, Eris might just be able to take care of herself.

Nice guy Kio's life gets turned upside down when he meets a friendly, sexy cat-alien named Eris! She's on a peaceful mission - but things could get dangerous, thanks to all of the secret agencies trying to get close to her.