STEP 1 • Saiyan Heritage
1989
Saiyan Saga (Raditz & Vegeta Arrival)
Writer/Artist: Akira Toriyama | Key Antagonist: Prince Vegeta & Nappa
Goku discovers his extraterrestrial origin. Prince Vegeta and Nappa arrive on Earth, culminating in the iconic beam clash between Kamehameha and Galick Gun.
STEP 2 • Super Saiyan Birth
1990
Frieza Saga (Namek Planet War)
Writer/Artist: Akira Toriyama | Key Antagonist: Lord Frieza & Ginyu Force
Gohan and Krillin travel to Namek to revive friends. Goku faces galactic tyrant Frieza, sparking the legendary Super Saiyan prophecy upon Krillin's death.
STEP 3 • Gohan's SSJ2 Awakening
1992
Cell & Androids Saga (Future Trunks Timeline)
Writer/Artist: Akira Toriyama | Key Antagonist: Perfect Cell
Future Trunks warns of killer cyborgs. Bio-android Cell absorbs 17 & 18 and launches the Cell Games, pushing 11-year-old Gohan to unleash Super Saiyan 2.
STEP 4 • Final Z Stand
1993
Majin Buu Saga (Fusion & Super Saiyan 3)
Writer/Artist: Akira Toriyama | Key Antagonist: Kid Buu & Babidi
An ancient primordial entity awakens. Introduces the Fusion dance (Gotenks), Potara earrings (Vegito), and Goku's ultimate planetary Spirit Bomb.