"Earth SOS!: Part 2" is the 30th chapter of the Dr. Slump manga. It is the sequel to "Earth SOS!: Part 1".
Summary
Arale Norimaki and Gatchan bring King Nikochan and his servant to the Norimaki Residence. The Nikos ask Senbei Norimaki to built a vehicle so that they can return to their home. While waiting, the Nikos meet Arale's friends: Akane Kimidori, Aoi Kimidori, Taro Soramame, and Peasuke Soramame. King Nikochan explains how his body works, making the gang laughing at him. Not knowing they are aliens, Senbei makes a car for the Nikos. King Nikochan and his servant spend the night driving the vehicle, wondering why it does not take off.