Tachikomatic Days (タチコマな日々, Tachikoma na Hibi; also known as Tachikoma Specials or Tachikoma Days) are a series of comedic shorts attached to the end of every episode of Ghost in the Shell: Stand Alone Complex. The shorts takes up a little over a minute and features the antics of the Tachikoma think tanks of Section 9 and usually involves plot points from the episode it accompanies. Ghost in the Shell: S.A.C. 2nd GIG (the second season of the TV series) also has Tachikomatic Days at the end of each episode. Tachikoma Days are also attached to the end of each episode on most of the DVD and itunes releases of both series.

Source: Wikipedia