The original manga series Great Teacher Onizuka, created by Tohru Fujisawa, begins publication in Weekly Shōnen Magazine.
The animated TV adaptation of Great Teacher Onizuka premieres in Japan, bringing the story to a wider audience.
The original Great Teacher Onizuka anime series ends.
A live-action television drama adaptation of Great Teacher Onizuka airs in Japan, expanding the franchise into live-action format.
A video game based on the Great Teacher Onizuka series is released for PlayStation.
Eikichi Onizuka decides to become a high school teacher after his days as a gang leader and biker.
Onizuka is hired as a teacher at Holy Forest Academy and assigned to Class 3-4, known for its problematic students.
Onizuka confronts and bonds with his unruly students, establishing his unorthodox teaching style.
Onizuka has a confrontation with the strict vice-principal Uchiyamada, asserting his place as a teacher.
Onizuka aids his colleague Azusa Fuyutsuki with issues concerning her family, strengthening their friendship.
Onizuka intervenes to protect his students from severe bullying both inside and outside school.
Onizuka helps his students overcome personal struggles as they prepare to graduate from high school.
