R4-G9 07 of 14 Ep3 Greatest Battles 2006.
Source: Revenge Of The Sith
R4-G9 is an astromech droid that accompanies Obi-Wan Kenobi on a mission to the sinkhole planet of Utapau, where Obi-Wan hopes to destroy General Grievous, the supreme commander of the Separatist droid armies.
