List of Sgt. Frog episodes (season 2)

Keroro sneaks into Fuyuki's room and steals his Kero ball back. He uses it to invade the Hinata residence, trapping Fuyuki and Natsumi. However, Keroro runs into problems when Aki returns home.

Tamama and Momoko devise a plan to get Fuyuki and Momoka closer together. Unfortunately, things don't go as planned when Keroro unexpectedly arrives.

Keroro, Fuyuki, and Natusmi watch a television special on famous landmarks and whether or not aliens created them. Along with Tamama and Kululu, Keroro and Fuyuki visit the landmarks from the special and discover the truth behind each landmark.

When Mois arrives back on Earth, her actions cause every cherry blossom tree in Japan to lose their petals. This ruins Keroro's latest plan, and Mois works to get the cherry blossom petals back on the trees.

Keroro, Tamama, Kululu, and the Hinata siblings investigate the story behind an unconscious Kogoro.

Keroro, Tamama, and the Hinata family return to the mountains to visit their grandmother. Dororo mistakes himself as the "demon" currently living in the area and uses the guise to reunite himself with Keroro and Tamama.

In part A, Koyuki asks Natsumi for a challenge to deepen their friendship, Keroro suggests a tennis match and that who ever loses has to curl their hair into an afro. When Natsumi and Koyuki were having fun Keroro sent for an alien to attack them but Dororo blocked it making Keroro,Fuyuki,Tamama and Mois to have afros

Each member of the Keroro platoon creates a beverage for a vending machine of Kululu's creation.

After becoming frustrated with losing sparring matches to Paul on a regular basis, Tamama goes to Keroro for help, who promises to train him and help him become stronger.

In an attempt to hastily write a report on Earth children, Keroro impersonates himself as a teacher and spends the day with Fuyuki's and Momoka's class.

Keroro's dad arrives on Earth for an unexpected visit with news of an arranged marriage for Keroro. In an attempt to get out of the marriage, Natsumi takes on the role as Keroro's fiancé.

In part B, Dororo can't turn off his trauma so he was put into a soul diver where Keroro, Tamama and Giroro went to fix the tramuas Keroro made. When things were looking good a tiger horse attacked them, when Keroro looked at a childhood toy his tramua turned on. In the end the tiger horse was defeated, Dororo turned back to normal and Keroro can't turn his tramua off.

The Keroro platoon sets out to find a dangerous alien responsible for destroying hundreds of planets so Keroro can gain prizes and recognition.

Karara, a Keronian youth, ends up crash landing on Earth and spends the day with Tamama. Things don't go as planned when Karara ends up destroying Keroro's, Giroro's, Kululu's, and Dororo's possessions by accident.

Keroro signs a deal to exchange two Earth humans for a ticket to a sports game on Keron with the Events Alien. The Events Alien ends up taking Natsumi and Fuyuki and Keroro, Tamama, and Giroro set out to rescue them.

Koyuki and Natsumi spend the day together, much to Giroro's annoyance. Giroro, Keroro, and Tamama follow the two girls as they have fun around town.

After hearing reports about an abandoned school building outside of town, Fuyuki and Momoka go to explore the building.

The Keroro platoon is inspired to create a video game after noticing how addicting games can be for humans.

In part B, Natsumi and Koyuki are going to have a picnic so Koyuki got up early to make riceballs, but when she took it to Natsumi she thought she made the riceball wrong and got captured so the Keroro platoon has to find a way to rescue them.

In part A, the iron chefs challenge Keroro to a cooking challenge so Keroro asked Natsumi,Fuyuki and Koyuki to help. Natsumi and Giroro got a good, Fuyuki and Tamama didn't put that much heart into making theirs and Koyuki's riceball was too hard. When Keroro and 556 use space food theirs taste like old wax when mama helped them they end up winning.In part B, Tamama was looking for the beetle he battled when he was at grandma's meanwhile the Hinata's residence was overrun by beetles until the super beetles challenge Tamama to a battle.

This episode shows 15 random stories

• Sgt. Keroro Tries Guinness! (My Goodness! My Guinness Record!) (ケロロ軍曹　ギネスに挑戦!, Keroro Gunsō Ginesu ni Chōsen)
• Keroro, Straw Invader (Wiley Keroro Presents: Swap Feat) (ケロロ　わらしべ侵略者　であります, Keroro Warashibe Shinryakusha)
• Mois, Heart-thumping Private Lesson (All Night Wrong) (モア　ドキドキ個人授業, Moa Dokidoki Kojin Jugyō]])
• Paul, Still yet an Indelible Past (Them's Fightin Words) (ポール　それでも消せない過去, Pōru Sore demo kesenai kako)
• Keroro, Challenging Guinness (Attempting to break a Guinness world record!) (ケロロ　ギネスに挑戦中, Keroro Ginesu ni Chõsenchū)
• Keroro, Cinema Paradise (Big Shot Keroro Presents: Cinema Parody, So?) (ケロロ★　シネマパラダイス, Keroro Shinema Paradaisu) 

Karara and Taruru return to Earth for an arranged marriage between Karara and Tamama. Because of his feelings for Keroro, Tamama does everything he can to dissuade Karara from wanting to marry him.

Wanting to become a stronger fighter, Tamama decides to not use his Tamama Impact. This becomes troublesome when he pushes Keroro and Mois closer together during his training.

In part A, Natsumi was having her birthday and Keroro was excited because his birthday will come up soon so he kept on giving hints like saying 1,2,9. but when his birthday came up no one seems to know but Keroro thought they were wrapping presents for him .But in the morning he got angry and tried to invade by himself only to find out Natsumi,Fuyuki,Giroro,Dororo,Tamama,Kururu and Momoko were celebrating his birthday (turns out he ripped two pages from his calendar)