Countdown is issue #11 of Teen Titans Go!.
A special appearance by Terra sheds more light on her brief time with the Teen Titans. Slade's robots are terrorizing the city, and Terra joins the Titans to stop them. But is there some other reason behind the robots' rampage?
- This issue takes place between "Titan Rising" and "Betrayal".
- The Blue robots are similar to I.N.S.T.I.G.A.T.O.R..