A 3 minute 3D-CGI rendered movie clip included with volume 6 of the Gunnm: Complete Edition manga reprint. It showcases Alita in a Third League motorball race with players from two of her races such as "Armor" Togo, Degchalev, and Valdicci, and depicts events from both of those races.
(Source: AniDB)
Recommendations
Blame! Prologue
OVA
47%