The gang pays a visit to the planet Akka Sakka, a giant theme park. However, while Hatchi enjoys himself to the fullest, Robby and Ikku find themselves overwhelmed by the planet's ruthlessly-enforced regulations on negative speech.
Groovin' night, yeah,
this feeling is surely gravity
 
Grooving Night, ganz sicher
Noche de fiesta
esto que siento es gravedad
Groovin' night,
yeah Essa sensação é a gravidade