People of Earth, can you hear me? I have the honor of being the world's only space exploration dog.
It's going to be a long journey, but please don't worry, Doctor. I'll come back with a piece of a star as a souvenir.

地球のみなさん、聞こえますか？ボクは名誉ある世界唯一の宇宙探索犬。
長い旅になりそうだけれど心配しないでね、博士。 星のかけらをおみやげに帰ってくるから。