- "BT-1. Wake up."
- ―0-0-0, using the R&D language to activate BT-1
The R&D language was a droid language used by the Empire's Tarkin Initiative labs during the research and development of their specialized droids. As the language was of a secretive nature, the archaeologist Doctor Aphra was unable to reactivate the BT-1 assassin droid without the help of another Tarkin Initiative droid, 0-0-0.
- Darth Vader 3: Vader, Part III (First appearance)