, known in Japan as, is a manga series created by Masayuki Ishikawa. An 11-episode anime television series adaptation, animated by Shirogumi and Telecom Animation Film, aired between October and December 2007. A second season titled Moyasimon Returns aired between July and September 2012. The series follows Tadayasu Sawaki, a first-year college student at an agricultural university, who has a unique ability to see and communicate with bacteria and other micro-organisms. A live action series based on the manga was also produced. Both the two anime series and the live action series are parts of the Noitamina programming block on Fuji Television.