خلاصه داستان : این بار دو جناح بر سر ترانسفورماتورهای کوچکی به نام Mini-Cons با هم می جنگند. این ترانسفورماتورها به اربابان خود قدرت عظیمی برای دفاع یا تخریب می دهند. و دوباره این نبرد روی زمین است.

Transformers: Armada, known in Japan as Chō Robot Seimeitai Transformers: Micron Densetsu, is a Transformers animated series, comic series and toy line which ran from 2002–2003. It was originally scheduled for 2001, however was delayed until early-2002. As the first series co-produced between the American toy company, Hasbro, and their Japanese counterpart, Takara, Armada begins a new continuity/universe for Transformers, with no ties to any of the previous series, including the immediately prior Transformers: Robots in Disguise in 2001. It would go on to birth a sequel in the form of Transformers: Energon.

خلاصه داستان : تاماکی کاسوگا با این باور که قرار است با مادربزرگش زندگی کند زیرا پدر و مادرش به خارج از کشور منتقل شده اند، به شهر کیفومورا سفر می کند. در آنجا به او گفته می شود که در واقع قرار است نقش مهر و موم کردن شمشیر Onikirimaru را انجام دهد ...

Believing she is to live with her grandmother because her parents are transferred abroad, Tamaki Kasuga travels to the town of Kifumura. There, she is told that she is actually to perform the role of sealing the sword Onikirimaru as the next 'Tamayori princess'. To protect her, she is also assigned young men from another family as guardians.