- "When in doubt, go to the source."
- ―Jedi Fortune Cookie
The body of clone trooper Tup is scheduled for transport to Coruscant, where Chancellor Palpatine's own doctors will closely examine it. ARC Trooper Fives breaks protocol and defies orders to dig up answers, and discovers that there is an organic construct of unknown purpose hidden in the brains of all clone troopers.
- Dooku (Appears in hologram)
- Jango Fett (Appears on holographic screen)
- Palpatine (Mentioned only)
- Nala Se
- Sifo-Dyas (Mentioned only)
- Lama Su (Mentioned only)
- Shaak Ti
- Tup (Appears in flashback(s))
- Unidentified Clone Trooper Pilot (Kamino) (First appearance)
- Unidentified Clone Trooper (Kamino)
- Unidentified Clone Trooper Officer (Kamino security) (First appearance)