When the Zvezda hideout's energy source, generated from the Udo that grows underneath the base, Kate, Asuta, Natasha, and Roboko go underground to investigate what is causing the Udo to die out.
When the Zvezda hideout's energy source, generated from the Udo that grows underneath the base, Kate, Asuta, Natasha, and Roboko go underground to investigate what is causing the Udo to die out.
