About this season
Alien frogs come to take over the planet & get into all kinds of trouble while living under the roof of a small family.
Episodes (51)
257. Keroro, First Encounter Revisited!
Aired 1 April 2009 • 25 min
258. Keroro, Negative Thinking of Terror / Keroro, Grilled Meat Without Dignity
Aired 8 April 2009 • 25 min
259. Koyuki, Cherry Blossom Trouble!
Aired 15 April 2009 • 25 min
260. Kero Zero, Keroro Platoon`s Departure Last Night Kero Zero / Keroro Platoon`s First Mission
Aired 22 April 2009 • 25 min
261. Momoka, The Big Seat Change Plan Kogoro / My Feelings!
Aired 29 April 2009 • 25 min
262. Bariri, Loving Chief Medic/Keroro, Mother Looking Up In the Sky
Aired 6 May 2009 • 25 min
263. Keroro, Weevil That Grants Dreams/Keroro, Do Your Best, Trash Bag!
Aired 13 May 2009 • 25 min
264. Keroro, the Space Digital Monster Attacks!/Keroro, Transform
Aired 20 May 2009 • 25 min
265. Giroro, Remote-Controlled Date/Keroro, Pu's Doubts
Aired 27 May 2009 • 25 min
266. Tamama, That Wake-Up Kiss is Mine/Pururu, Revealed Secret?!
Aired 3 June 2009 • 25 min
267. Keroro, Big Air Anything Operation/Keroro, Motel
Aired 10 June 2009 • 25 min
268. Kero Zero, Enter Pekoponian Mecha Designer Kiko Katoyama
Aired 17 June 2009 • 25 min
269. Momoka, Big Head Over Heels Operation/Giroro, Escape From Natsumi!
Aired 24 June 2009 • 25 min
270. Chibi Kero vs. Chibi Fuyuki
Aired 1 July 2009 • 25 min
271. Tamama, It's Hard Being an Upperclassman/Natsumi, We're All Boys!
Aired 8 July 2009 • 25 min
272. Wettle King versus Kogoro/Three Weirdos, Smallest Showdown on Pekopon
Aired 15 July 2009 • 25 min
273. Keroro, Training is OK/Koyuki, Confrontation! Midsummer's Shore
Aired 22 July 2009 • 25 min
274. Keroro Platoon, Under Keroro!
Aired 29 July 2009 • 25 min
275. Keroro, Keron-Style Golf/Keroro, Run Keroro
Aired 5 August 2009 • 25 min
276. Keroro, The Admiral Attacks!/Giroro, It's This Zipper
Aired 12 August 2009 • 25 min
277. Kero Zero, Space Catering/Kero Zero, Formula for Eating
Aired 19 August 2009 • 25 min
278. Ghost Girl, Before-After/Giroro, the Red Fairy
Aired 26 August 2009 • 25 min
279. Alisa's First Time with Mama!?
Aired 2 September 2009 • 25 min
280. Keroro & Natsumi, Ruthless Stamp Card/Keroro, Sad Kerobot
Aired 9 September 2009 • 25 min
281. Keroro, Cicada Platoon/Keroro, Ribbit Day
Aired 16 September 2009 • 25 min
282. Momoka, Sudden Dance of Flames/Kero Zero, All Quiet on the Fig Front
Aired 23 September 2009 • 25 min
283. Keroro, 5 Shocked Keronians/Fuyuki, Planet of the Humans
Aired 30 September 2009 • 25 min
284. Dororo, Farewell Platoon
Aired 7 October 2009 • 25 min
285. Aki, Earth's Front Line of Defense/Natsumi, Tension! Parent's Classroom Visit
Aired 14 October 2009 • 25 min
286. Keroro, Careless Saturated Operation!/Keroro, Invasion! Softglon of Terror
Aired 21 October 2009 • 25 min
287. Natsumi, Stop Those Hiccups～/Kero Zero, The one waiting on the Training Planet
Aired 28 October 2009 • 25 min
288. Keroro, Kappa Legend/Keroro, Welcome Back
Aired 4 November 2009 • 25 min
289. Giroro, Red Devil of the Battlefield/Keroro, Is That Really a Lie?
Aired 11 November 2009 • 25 min
290. Poyon, Miracle Paul Operation!/Kero Zero, Snow is a Merciless Queen of the Night
Aired 18 November 2009 • 25 min
291. Alisa & Nevula, First Hot Spring/Keroro Platoon, Struggle! Torinoichi
Aired 25 November 2009 • 25 min
292. Natsumi, Secret of the Dresser/Keroro, You Were in my Dream
Aired 2 December 2009 • 25 min
293. Again Gero Gero 30 Minutes
Aired 9 December 2009 • 25 min
294. Yoshiokadaira, Bodyguard Elegy/Natsumi, Christmas Party Operation
Aired 16 December 2009 • 25 min
295. Keroro, The Two of Us Are One Kerororm/Keroro, Mysterious Ultimate Weapon
Aired 23 December 2009 • 25 min
296. Keroro, New Year's Lucky Haste/Keroro, This Year Is Keron Year!
Aired 30 December 2009 • 25 min
297. Keroro, Just One Chance/Dangale Lands
Aired 6 January 2010 • 25 min
298. Mois, Goodbye Pekopon/Saburo, The Mysterious Boy
Aired 13 January 2010 • 25 min
299. Giroro, Take Down G-Force!/Giroro, G-Force's Counterattack
Aired 20 January 2010 • 25 min
300. Onono, Illusionary Keron Soldie
Aired 27 January 2010 • 25 min
301. Tamama, Kicked Out Of The Nishizawa Family?/Momoka, Chocolate Cake of Love and Sadness
Aired 3 February 2010 • 25 min
302. Keroro, I'm A Director!/Keroro & Fuyuki, Small Adventure In a Big City
Aired 10 February 2010 • 25 min
303. Kero Zero, My Home is Pekopon
Aired 17 February 2010 • 25 min
304. Keroro, Please Give Me That Back!
Aired 24 February 2010 • 25 min
305. Nobibi Came!
Aired 3 March 2010 • 25 min
306. Shugo Kero, Dokki Doki Party!/Dororo, Doro is Coming!
Aired 10 March 2010 • 25 min
307. Keroro & Fuyuki, Night of the Time Capsule
Aired 17 March 2010 • 25 min