Voir Ghost in the Shell: Stand Alone Complex, Season 1 - Episode 12

Early in the morning Baton's Tachikoma self activates and leaves the Tachikoma storage bay to explore the outer world. While roaming the streets of the city the Tachikoma encounters a young girl searching for her lost dog. The Tachikoma decides to help the girl, and together they manage to find the dog. While on their journey, the Tachikoma stumbles upon a cyberbrain being sold in Akihabara that contains a ghost and brings it back to the storage bay. When the Tachikoma returns, Section 9 technicians begin extensive tests to determine why the tank went AWOL in the first place, while Section 9 members turn their attention to the cyberbrain in an effort to determine what the it contains.