In Doubt Episode 16

With a group from the Akapusso and Stellvia heading towards the Ultima in an effort to rescue the trapped crew members onboard they encounter the beings from another dimension that have been randomly appearing throughout the Solar System. The rescue mission fails and the realisation that rescuing the people on the ultima will be difficult, Shima and Kouta inside the infinite robot cover the escape of the Biancas from the Stellvia, and Akapusso.