RobiHachi

Robby and Hatchi make a pit stop on Mars, where they encounter an octopus.

Hatchi and Robby wonder why Hizakuriger is aboard their ship and wind up on Pluto; the pair receive a request to do for Pluto what they did for Mars.

On the ocean planet Odwarla, Hatchi and Robby encounter the indigenous merfolk.

Yang corners Robby and Hatchi on Hamama II during the planet's Great Eel Festival; the eels' powers have an effect on Yang.