Follow the adventures and exploits of S.A.M, a high-end, royal-class friendship droid who’s joined by a quirky, discarded maintenance robot and a brash, deadly fugitive. Together, the unlikely trio embarks on an unforgettable journey in a fantastic and dangerous world in search of S.A.M’s best friend, the heir to a powerful kingdom under siege.
Cannon Busters has finished airing and it has 12 Episodes. It is also Known as: Cannon Busters
Genres: Adventure , Action , Comedy , Fantasy , Robot Helper , Robot , Science Fiction , Mecha
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Top 5 Anime Like Cannon Busters [2026 List]
5. NG Knight Ramune & 40
Lamune is an ordinary 4th grade boy who loves playing video games. He buys one from a peddler girl and helps her sell the rest. At home, he plays the game called "King Sccasher" & beats it. The peddler girl then comes out of the TV screen and asks for his help, calling him "The Blood Relative of the Chosen Hero Lamuness". She is Princess Milk and takes him to Hara-Hara World where his role is to revive the Guardian Knights. To do this, he had to find an unlock the shrine which held Tama-Q, a robot who became Lamuness' Advisor Robot, and key to freeing the Guardian Knights. All of the Knights are free-thinking mechas except for King Sccasher which is piloted by Lamuness. Opposing Lamuness is Don Harumage and his minions Da Cider and Lesuka.
NG Knight Lamune & 40 has finished airing and it has 38 Episodes. It is also Known as: NG騎士ラムネ&40, Knight Lamune & 40, NG Kishi Ramune & 40
4. Saber Marionette J to X
Taking place mere months after the Saber Marionette J OVA series, this newest installment in the Saber Marionette line follows the continuing adventures of Otaru and his clan of selfless, obsessive marionette girls. This time, the evil Faust is back, and again toying with Marionette technology that was never meant to be explored. The Saber Dolls are back, and torn between their newfound love for Otaru and their undying loyalty to Faust; Will Otaru, Lime, Cherry and Bloodberry be able to stop Faust again, or are they all headed for the scrap heap?
Saber Marionette J to X has finished airing and it has 26 Episodes. It is also Known as: セイバーマリオネットJ to X, Saber Marionette J to X
3. Sora wo Kakeru Shoujo
The story is set in the year 311 of the Orbital Calendar, when humanity has migrated to countless colony clusters in space. A space colony girl named Akiha Shishidou encounters a malevolent artificial intelligence named Leopard that has been installed on a colony.
Akiha is joined by an Inter-Colony Police officer named Itsuki Kannagi, a taciturn young girl named Honoka Kawai, and a robot named Imoko "Imo-chan" Shishidou.
The Girl Who Leapt Through Space has finished airing and it has 26 Episodes. It is also Known as: 宇宙をかける少女, Sora o Kakeru Shoujo, Sora Kake Girl
2. Cannon Busters
Follow the adventures and exploits of S.A.M, a high-end, royal-class friendship droid who’s joined by a quirky, discarded maintenance robot and a brash, deadly fugitive. Together, the unlikely trio embarks on an unforgettable journey in a fantastic and dangerous world in search of S.A.M’s best friend, the heir to a powerful kingdom under siege.
Cannon Busters has finished airing and it has 12 Episodes. It is also Known as: Cannon Busters
1. Saber Marionette J
In the distant future, since the Earth has become overpopulated, efforts to find and colonize on other planets have begun. However, one of the ships, the "Mesopotamia" malfunctions and all but 6 of its inhabitants are all killed. the remaining 6 manage to escape to a nearby planet named "Terra ll ", which is similar to Earth in many respects. However, all of them are male. Therefore, as to not let their efforts go to waste, they begin to set up 6 countries and to reproduce through cloning and genetic engineering. however, there are still no women, and to make up for it they create lifelike advanced female androids called "Marionettes" which do everyday chores and work. However, they are all emotionless machines. But one day, a ordinary boy named Otaru finds and awakens 3 special battle type Marionettes that have emotions due to a "Maiden Circuit" within them. It's up to him then to teach them and allow their emotions to grow, and when a nearby country threatens with world domination, it's up to to Otaru and his "human" Marionettes to protect their country.
Saber Marionette J has finished airing and it has 25 Episodes. It is also Known as: セイバーマリオネットJ, Saber Marionette J