Fireball - S2.E33

In the capital, Natsu and Wendy are surprised to find their Lucy alive and fully capable of using her magic. After Edolas Lucy and Earthland Lucy become acquainted with one another, Natsu's group escapes from the Royal Army and takes refuge in a hotel. When their plan to sneak aboard a Royal Army airship fails, they are saved by the timely arrival of the driver of a 4-wheeled vehicle - the Edolas version of Natsu.