# Dragon Ball Z, Vol. 2
## Part I: The Saiyan Threat
- Arrival of the Saiyans
- Raditz's Arrival
- Goku's Sacrifice
- Gohan's Kidnapping
- Preparation for Battle
- Training with Piccolo
- Gohan's Potential Unleashed
- Piccolo's Plan
## Part II: The Saiyan Invasion
- Vegeta and Nappa's Arrival
- Destruction of East City
- Yamcha, Tien, and Chiaotzu's Stand
- Piccolo's Ultimate Technique
- The Battle Begins
- Goku's Return
- Saiyan Power Levels
- Teamwork Against Nappa
## Part III: The Fall of Nappa
- Goku vs. Nappa
- Goku's New Techniques
- Nappa's Defeat
- Vegeta's Wrath
- Vegeta's True Power
- Vegeta's Transformation
- Krillin and Gohan's Desperation
- The Spirit Bomb
## Part IV: The Aftermath
- Vegeta's Escape
- Goku's Mercy
- Vegeta's Promise of Revenge
- Recovery and Reflection
- Goku's Hospitalization
- Future Threats
- Training for the Future