2. File: 002 - Family vs Alien

Fuyuki and Natsumi Hinata are captured and tied up by Keroro; Aki Hinata is introduced.

3. File 003 - Alien Surveilance

Keroro has his own bedroom. Aki tasks Fuyuki with observing Keroro, who is doing his own counter-surveillance.

4. File: 004 - The Alien Cleans House

Keroro helps clean the house with Natsumi and Aki, an then helps Fuyuki clean up his rather large book collection.

5. File: 005 - Keroro Platoon Formation

All 5 members of the Keroro Platoon are reunited, and are tasked with rescuing Fuyuki and Natsumi from a strange alien.

6. File: 006 - Sister, Transform!

Saburo uses his VR pen to transform Natsumi into Super-Natsumi, who then battles with the Keroro platoon.

7. File: 007 - Outer Space Skipping Rope

Fukuki and Natsumi are skipping rope when Koyuki and Dororo appear and join the fun. Tamama and Giroro try too, and Keroro, with Kululu's help, skips rope into space.

8. File: 008 - Ticket War

Fukuki wins four tickets to a spa; one for each member of his family with one extra. Koyuki and Momoka fight over which of the two would claim the extra ticket.

9. File: 009 - The New Keroro

Shin Keroro appears and becomes good friends with Tomosu.

10. File: 010 - Space Game

Tomosu, Fuyuki, Kaneami, Natsumi, Shin Keroro, and Keroro all play a special space game, where they are shrunk down to play as the board pieces.

11. File: 011 - Alien Sticker Battle

Angol Mois and the platoon play a prank on Keroro. Kululu invents stickers that give objects and Keronians a new personality.

12. File: 012 - Space Kinder

The Keroro Platoon participates in a new training regiment designed to research how Pekoponian children grow up in Kindergarten.

13. File: 013 - Dolphin and Alien

Between extreme training regiments, the ARMPIT platoon takes care of a Dolphin that has the power to fly.

14. File: 014 - The Keron Stars

Black Star appears and transforms into the entire Keroro platoon. Shin Keroro chases and battles him, but he vows to get his powers.

15. File: 015 - Fighting Keroro

Black Star sends a Fake Keroro Platoon to challenge Keroro. Keroro quickly defeats them and impresses Shin Keroro greatly.

16. Episode 16

17. Episode 17

18. Episode 18

19. Episode 19

20. Episode 20

21. Episode 21

22. Episode 22

23. Episode 23