Really? That's the Planet of Hope, Namek?
Start of the "Namek Saga". While Krillin, Gohan, and Bulma are held at gunpoint, the ship enters an asteroid belt. After they help their captors through the asteroids, the kids tell them about how the villainous Frieza killed their parents and friends and took over their planet. Meanwhile, Goku is scared to death of getting a shot at the hospital, and Vegeta arrives back at Frieza's base.
Other episodes for this season
