Drama At Space City is the 30th produced episode and the 24th Broadcast episode of the series Fireball XL5
While Steve Zodiac and Venus are on holiday, Johnathan Zero is looking after Zoonie. When, with Zoonie, he goes into the main control cabin of Fireball XL5 one night, Zoionie gives the order, "Full power". Robert The Robot obeys and launches the spacecraft. This starts an alert and Commander Zero, with Lieutenant Ninety, take off after XL5 in Fireball XL1. They find it in space, on fire and when they get aboard discover Johnathan and Zoonie unconscious. Zoonie has, however, put the fire out with a ray extinguisher.