# Sgt. Frog season 6

The sixth season of the Sgt. Frog anime series consists of the fifty-one episodes after episode two-hundred-and-fifty-six from the series, which first aired in Japan from April 4, 2009 to March 27, 2010 on TV Tokyo. Season 6 uses 3 songs: 1 Opening and 2 Endings. "Kero! tto March (Platoon Ver.)" (ケロッ!とマーチ (小隊 Ver.), Kero! tto Māchi (Shōtai Ver.)) by the Keroro Platoon is used as the opening from episode 257 onwards. "Daijōbu Supponpon Friend" (だいじょうぶスッポンポン•フレンド, Daijōbu Supponpon Furendo, "It's All Right Naked Friend") by Yoshio Kojima is used as the ending from episode 257 to 282. "Hallelujah!!" (晴レルヤ!!, Hareruya!!, 283-) by JAM Project is used as Ending from episode 283 onwards.

## Episode list

| No. | Title | Original release date |
| 257 | "Keroro, First Encounter Revisited!" Transliteration: "keroro Daiichi Wa Kaitei! de Arimasu" (Japanese: ケロロ　第一話改訂！　であります) | April 4, 2009 (2009-04-04) |
| 258 | "Keroro, Negative Thinking of Terror/Keroro, Grilled Meat Without Dignity" Transliteration: "Keroro Kyōfu no Negativu Shinkingu de Arimasu/Keroro Jingi naki Yakiniku de Arimasu" (Japanese: ケロロ　恐怖のネガティヴシンキング　であります/ケロロ　仁義なき焼肉　であります) | April 11, 2009 (2009-04-11) |
| 259 | "Koyuki, Cherry Blossom Trouble!" Transliteration: "Koyuki Sakura Taihen! de Arimasu" (Japanese: 小雪　サクラ大変！　であります) | April 18, 2009 (2009-04-18) |
| 260 | "Kero Zero, Keroro Platoon's Departure Last Night/Kero Zero, Keroro Platoon's First Mission" Transliteration: "Kero Zero Keroro Shōtai Shuppatsu Zen'ya de Arimasu/Kero Zero Keroro Shōtai Fāsuto Misshon de Arimasu" (Japanese: ケロゼロ　ケロロ小隊出発前夜　であります/ケロゼロ　ケロロ小隊ファーストミッション　であります) | April 25, 2009 (2009-04-25) |
| 261 | "Momoka, The Big Seat Change Plan/Kogoro, My Feelings!" Transliteration: "Momoka Seki Kae Daisakusen de Arimasu/Kogorō Ore no Omoi! de Arimasu" (Japanese: 桃華　席替え大作戦　であります/556　オレの想い！　であります) | May 2, 2009 (2009-05-02) |
| 262 | "Bariri, Loving Chief Medic/Keroro, Mother Looking Up In the Sky" Transliteration: "Bariri Itoshi no Kangochō de Arimasu/Keroro Sora o Miagerya Ofukuro-san de Arimasu" (Japanese: バリリ　愛しの看護長　であります/ケロロ　空を見上げりゃお袋さん　であります) | May 9, 2009 (2009-05-09) |
| 263 | "Keroro, Weevil That Grants Dreams/Keroro, Do Your Best, Trash Bag!" Transliteration: "Keroro Yume o Kanaeru Zōmushi de Arimasu/Keroro Ganbare Gomibukuro! de Arimasu" (Japanese: ケロロ　夢をかなえるゾウムシ　であります/ケロロ　がんばれゴミ袋！　であります) | May 16, 2009 (2009-05-16) |
| 264 | "Keroro, the Space Digital Monster Attacks!/Keroro, Transform" Transliteration: "Keroro Uchū Dejitaru Kaijū Shūrai! de Arimasu/Keroro Henshin de Arimasu" (Japanese: ケロロ　宇宙デジタル怪獣襲来！　であります/ケロロ　変身　であります) | May 23, 2009 (2009-05-23) |
| 265 | "Giroro, Remote-Controlled Date/Keroro, Pu's Doubts" Transliteration: "Giroro Rimokon de Dēto de Arimasu/Keroro Pū ga Ita Dōkutsu de Arimasu" (Japanese: ギロロ　リモコンでデート　であります/ケロロ　プーがいた洞窟　であります) | May 30, 2009 (2009-05-30) |
| 266 | "Tamama, That Wake-Up Kiss is Mine/Pururu, Revealed Secret?!" Transliteration: "Tamama Mezame no Kissu wa Boku no Mono de Arimasu/Pururu Barechatta Himitsu?! de Arimasu" (Japanese: タママ　目覚めのキッスは僕のもの　であります/プルル　ばれちゃった秘密?!　であります) | June 6, 2009 (2009-06-06) |
| Tamama wants to give Keroro a "wake-up kiss". Mois notices a wrinkle on Pururu's face, and tries to prevent anyone else from seeing it. |||
| 267 | "Keroro, Big Air Anything Operation/Keroro, Motel" Transliteration: "Keroro Ea Nantoka Daisakusen! de Arimasu/Keroro Moteru de Arimasu" (Japanese: ケロロ　エアなんとか大作戦！　であります/ケロロ　モテる　であります) | June 13, 2009 (2009-06-13) |
| 268 | "Kero Zero, Enter Pekoponian Mecha Designer Kiko Katoyama" Transliteration: "Kero Zero Pekoponjin Meka Dezainā Katoyama Kiko Tōjō de Arimasu" (Japanese: ケロゼロ　ペコポン人　メカデザイナー　カトヤマ・キコ　登場　であります) | June 20, 2009 (2009-06-20) |
| 269 | "Momoka, Big Head Over Heels Operation/Giroro, Escape From Natsumi!" Transliteration: "Momoka Horeta Hareta no Daisōdō de Arimasu/Giroro Natsumi kara no Dasshutsu! de Arimasu" (Japanese: 桃華　ホレたハレたの大騒動　であります/ギロロ　夏美からの脱出！　であります) | June 27, 2009 (2009-06-27) |
| Part B: Natsumi gets sick from eating a space cheesecake, so Giroro dives into her stomach in order to cure her. |||
| 270 | "Chibi Kero vs. Chibi Fuyuki" Transliteration: "Chibi Kero tai Chibi Fuyuki de Arimasu" (Japanese: ちびケロVSちび冬樹　であります) | July 4, 2009 (2009-07-04) |
| Keroro, Dororo, Giroro, and Fuyuki are accidentally turned into children by one of Kururu's inventions. |||
| 271 | "Tamama, It's Hard Being an Upperclassman/Natsumi, We're All Boys!" Transliteration: "Tamama Senpai wa Tsurai yo de Arimasu/Natsumi Bokutachi Otokonoko! de Arimasu" (Japanese: タママ　先輩はつらいよ　であります/夏美　僕たち男の子！　であります) | July 11, 2009 (2009-07-11) |
| 272 | "Wettle King versus Kogoro/Three Weirdos, Smallest Showdown on Pekopon" Transliteration: "Wettoru Kingu tai Kogorō! de Arimasu/San Daikaijin Pekopon Saishō no Kessen de Arimasu" (Japanese: ウェットルキング 対 556！　であります/三大怪人　ペコポン最小の決戦　であります) | July 18, 2009 (2009-07-18) |
| 273 | "Keroro, Training is OK/Koyuki, Confrontation! Midsummer's Shore" Transliteration: "Keroro Shikomi wa OK de Arimasu/Koyuki Taiketsu! Manatsu no Kaigan de Arimasu" (Japanese: ケロロ　仕込みはＯＫ　であります/小雪　対決！真夏の海岸　であります) | July 25, 2009 (2009-07-25) |
| 274 | "Keroro Platoon, Under Keroro!" Transliteration: "Keroro Shōtai Chinmoku no Keroro! de Arimasu" (Japanese: ケロロ小隊　沈黙のケロロ！　であります) | August 1, 2009 (2009-08-01) |
| 275 | "Keroro, Keron-Style Golf/Keroro, Run Keroro" Transliteration: "Keroro Keron Shiki Gorufu de Arimasu/Keroro Hashire Keroro de Arimasu" (Japanese: ケロロ　ケロン式ゴルフ　であります/ケロロ　走れケロロ　であります) | August 8, 2009 (2009-08-08) |
| 276 | "Keroro, The Admiral Attacks!/Giroro, It's This Zipper" Transliteration: "Keroro Teitokudono Kyōshū! de Arimasu/Giroro Chakku wa Sonomama de de Arimasu" (Japanese: ケロロ　提督殿強襲！　であります/ギロロ　チャックはそのままで　であります) | August 15, 2009 (2009-08-15) |
| 277 | "Kero Zero, Space Catering/Kero Zero, Formula for Eating" Transliteration: "Kero Zero Uchū de Demae de Arimasu/Kero Zero Tabetai Hōteishiki de Arimasu" (Japanese: ケロゼロ　宇宙で出前　であります/ケロゼロ　食べたい方程式　であります) | August 22, 2009 (2009-08-22) |
| 278 | "Ghost Girl, Before-After/Giroro, the Red Fairy" Transliteration: "Yūrei-chan Bifō Afutā de Arimasu/Giroro Akai Yōsei de Arimasu" (Japanese: 幽霊ちゃん　ビフォーアフター　であります/ギロロ　赤い妖精　であります) | August 29, 2009 (2009-08-29) |
| 279 | "Alisa's First Time with Mama!?" Transliteration: "Arisa Hajimete no Mama!? de Arimasu" (Japanese: アリサ　初めてのママ!?　であります) | September 5, 2009 (2009-09-05) |
| 280 | "Keroro & Natsumi, Ruthless Stamp Card/Keroro, Sad Kerobot" Transliteration: "Keroro & Natsumi Hitoyoshi naki Sutanpu Kādo de Arimasu/Keroro Kanashimi no Kerobotto de Arimasu" (Japanese: ケロロ＆夏美　仁義無きスタンプカード　であります/ケロロ　悲しみのケロボット　であります) | September 12, 2009 (2009-09-12) |
| 281 | "Keroro, Cicada Platoon/Keroro, Ribbit Day" Transliteration: "Keroro Semi Shōtai de Arimasu/Keroro Kērō no Hi de Arimasu" (Japanese: ケロロ　セミ小隊　であります/ケロロ　ケーローの日　であります) | September 19, 2009 (2009-09-19) |
| 282 | "Momoka, Sudden Dance of Flames/Kero Zero, All Quiet on the Fig Front" Transliteration: "Momoka Totsuzen Honō no Gotoku de Arimasu/Kero Zero Ichijiku Sensen Ijō nashi de Arimasu" (Japanese: 桃華　突然炎のごとく　であります/ケロゼロ　イチジク戦線異常なし　であります) | September 26, 2009 (2009-09-26) |
| 283 | "Keroro, 5 Shocked Keronians/Fuyuki, Planet of the Humans" Transliteration: "Keroro Gonin no Akireru Keronjin de Arimasu/Fuyuki Ningen no Wakusei de Arimasu" (Japanese: ケロロ　5人の呆れるケロン人　であります/冬樹　人間の惑星　であります) | October 3, 2009 (2009-10-03) |
| 284 | "Dororo, Farewell Platoon" Transliteration: "Dororo Saraba Shōtai de Arimasu" (Japanese: ドロロ　さらば小隊　であります) | October 10, 2009 (2009-10-10) |
| Dororo cuts ties with the rest of the platoon when a new, evil commander takes charge. He tries to keep this a secret from Koyuki, but is forced to spill the beans when his friends are in danger. |||
| 285 | "Aki, Earth's Front Line of Defense/Natsumi, Tension! Parent's Classroom Visit" Transliteration: "Aki Chikyūbōei Saizensen! de Arimasu/Natsumi Kinpaku! Jugyō Sankan de Arimasu" (Japanese: 秋　地球防衛最前線！　であります/夏美　緊迫！授業参観　であります) | October 17, 2009 (2009-10-17) |
| 286 | "Keroro, Careless Saturated Operation!/Keroro, Invasion! Softglon of Terror" Transliteration: "Keroro Ukkari Bichobicho Daisakusen! de Arimasu/Keroro Shinryaku! Kyōfu no Sofutoguron de Arimasu" (Japanese: ケロロ　うっかりビチョビチョ大作戦！　であります/ケロロ　侵略！恐怖のソフトグロン　であります) | October 24, 2009 (2009-10-24) |
| Tamama has to save his friends from an invasion of evil ice cream. |||
| 287 | "Natsumi, Stop Those Hiccups～/Kero Zero, The one waiting on the Training Planet" Transliteration: "Natsumi Shakkuri Tometē de Arimasu/Kero Zero Kunren Wakusei no Machibito de Arimasu" (Japanese: 夏美　しゃっくり止めて～　であります/ケロゼロ　訓練惑星の待ち人　であります) | October 31, 2009 (2009-10-31) |
| 288 | "Keroro, Kappa Legend/Keroro, Welcome Back" Transliteration: "Keroro Kappa Densetsu de Arimasu/Keroro Okaerinasai de Arimasu" (Japanese: ケロロ　カッパ伝説　であります/ケロロ　おかえりなさい　であります) | November 7, 2009 (2009-11-07) |
| 289 | "Giroro, Red Devil of the Battlefield/Keroro, Is That Really a Lie?" Transliteration: "Giroro Senjō no Akai Akuma de Arimasu/Keroro Sono Uso, Honto? de Arimasu" (Japanese: ギロロ　戦場の赤い悪魔　であります/ケロロ　そのウソ、ホント？　であります) | November 14, 2009 (2009-11-14) |
| 290 | "Poyon, Miracle Paul Operation!/Kero Zero, Snow is a Merciless Queen of the Night" Transliteration: "Poyon Pōru ni Mirakuru Daisakusen! de Arimasu/Kero Zero Yuki wa Mujihi na Yoru no Joō de Arimasu" (Japanese: ポヨン　ポールにミラクル大作戦！　であります/ケロゼロ　雪は無慈悲な夜の女王　であります) | November 21, 2009 (2009-11-21) |
| 291 | "Alisa & Nevula, First Hot Spring/Keroro Platoon, Struggle! Torinoichi" Transliteration: "Arisa & Nebura Hajimete no Onsen de Arimasu/Keroro Shōtai Funtō! Torinoichi de Arimasu" (Japanese: アリサ＆ネブラ　初めての温泉　であります/ケロロ小隊　奮闘！酉の市　であります) | November 28, 2009 (2009-11-28) |
| 292 | "Natsumi, Secret of the Dresser/Keroro, You Were in my Dream" Transliteration: "Natsumi Tansu no Himitsu de Arimasu/Keroro Yume no Naka ni Kimi ga Ite de Arimasu" (Japanese: 夏美　タンスの秘密　であります/ケロロ　夢の中に君がいて　であります) | December 5, 2009 (2009-12-05) |
| 293 | "Again Gero Gero 30 Minutes" Transliteration: "Matamata Gerogero Sanjū Bun de Arimasu" (Japanese: またまたゲロゲロ30分　であります) | December 12, 2009 (2009-12-12) |
| 294 | "Yoshiokadaira, Bodyguard Elegy/Natsumi, Christmas Party Operation" Transliteration: "Yoshiokadaira Shineitai Erejī de Arimasu/Natsumi Kurisumasu Kai Daisakusen de Arimasu" (Japanese: 吉岡平　親衛隊哀歌（エレジー）　であります/夏美　クリスマス会大作戦　であります) | December 19, 2009 (2009-12-19) |
| 295 | "Keroro, The Two of Us Are One Kerororm/Keroro, Mysterious Ultimate Weapon" Transliteration: "Keroro Futari ga Hitori Kerorōmu! de Arimasu/Keroro Nazo no Saishū Heiki de Arimasu" (Japanese: ケロロ　二人が一人ケロロ～ム！　であります/ケロロ　謎の最終兵器　であります) | December 26, 2009 (2009-12-26) |
| 296 | "Keroro, New Year's Lucky Haste/Keroro, This Year Is Keron Year!" Transliteration: "Keroro Shinnen Sōsō Rakkī de Arimasu/Keroro Kotoshi wa Kerontoshi! de Arimasu" (Japanese: ケロロ　新年早々　ラッキー　であります/ケロロ　今年はケロン年！　であります) | January 9, 2010 (2010-01-09) |
| 297 | "Keroro, Just One Chance/Dangale Lands" Transliteration: "Keroro Chansu wa Ichido de Arimasu/Dangaru Daichi ni Tatsu de Arimasu" (Japanese: ケロロ　チャンスは一度　であります/ダンガル　大地を立つ　であります) | January 16, 2010 (2010-01-16) |
| 298 | "Mois, Goodbye Pekopon/Saburo, The Mysterious Boy" Transliteration: "Moa Sayonara Pekopon de Arimasu/Saburo Nazo Ōki Shōnen de Arimasu" (Japanese: モア　さよなら　ペコポン　であります/サブロ　謎多き少年　であります) | January 23, 2010 (2010-01-23) |
| 299 | "Giroro, Take Down G-Force!/Giroro, G-Force's Counterattack" Transliteration: "Giroro Jī o Taose! de Arimasu/Giroro Jī no Gyakushū de Arimasu" (Japanese: ギロロ　Ｇを倒せ！　であります/ギロロ　Ｇの逆襲　であります) | January 30, 2010 (2010-01-30) |
| 300 | "Onono, Illusionary Keron Soldier" Transliteration: "Onono: Maboroshi no Keron hei de Arimasu" (Japanese: オノノ　幻のケロン兵　であります) | February 6, 2010 (2010-02-06) |
| 301 | "Tamama, Kicked Out Of The Nishizawa Family?/Momoka, Chocolate Cake of Love and Sadness" Transliteration: "Tamama: Nishizawa ke Tsuihō? de Arimasu/Momoka: Ai to Kanashimi no Choko Keeki de Arimasu" (Japanese: タママ　西澤家追放？　であります/桃花　愛と悲しみのチョコケーキ) | February 13, 2010 (2010-02-13) |
| 302 | "Keroro, I'm A Director!/Keroro & Fuyuki, Small Adventure In a Big City" Transliteration: "Keroro: Wagahai wa Kantoku dzayo! de Arimasu/Keroro & Fuyuki Dai tokai no Chiisa na Bōken de Arimasu" (Japanese: ケロロ　我輩は監督ぢゃよ！　であります/ケロロ＆冬樹　大都会の小さな冒険　であります) | February 20, 2010 (2010-02-20) |
| 303 | "Kero Zero, My Home is Pekopon" Transliteration: "Kero Zero: Kokyō wa Pekopon de Arimasu" (Japanese: ケロゼロ　故郷はペコポン) | February 27, 2010 (2010-02-27) |
| 304 | "Keroro, Please Give Me That Back!" Transliteration: "Keroro: Soredake wa Kaeshi te Chōtai de Arimasu" (Japanese: ケロロ　それだけは返してちょ～だい！　であります) | March 6, 2010 (2010-03-06) |
| 305 | "Nobibi Came!" Transliteration: "Nobibi ga kita! de Arimasu" (Japanese: ノビビ　が来た！　であります) | March 13, 2010 (2010-03-13) |
| 306 | "Shugo Kero, Dokki Doki Party!/Dororo, Doro is Coming!" Transliteration: "Shugo Kero, Dokki Doki Pāti! de Arimasu / Dororo: Doro rō ga kuru! de Arimasu" (Japanese: しゅごケロ　どっき　どき　パーティ！　であります/ドロロ　ドロ郎が来る！　であります) | March 20, 2010 (2010-03-20) |
| A space demon possesses Dororo and makes him subject his friends to horrible punishments. |||
| 307 | "Keroro & Fuyuki, Night of the Time Capsule" Transliteration: "Keroro & Fuyuki: Taimu Kapuseru no Yoru de Arimasu" (Japanese: ケロロ＆冬樹　タイムカプセルの夜　であります) | March 27, 2010 (2010-03-27) |