Unidentified B1 battle droid 5 (Rugosa)

"What was that?"

- This droid noticing a fellow droid getting shot.

A B1 battle droid was stationed on the planet of Rugosa around 21 BBY and participated in the Battle of Rugosa.

Hystory
During the battle, this droid was part of a reinforcement squadron tasked with finding Jedi Master Yoda along with three clone troopers and eliminating them before they reached their destination. As the droids advanced, they hit an impenetrable obstacle, a giant tree blocking the road, and were forced to continue on foot. As this droid was making it's way through the forest, it was shot by a clone trooper and decapitated.

Behind the scenes
This battle droid was voiced by Matthew Wood, the actor who voices all the battle droids in the Star Wars: The Clone Wars television series.