After the OSS is compromised, Gregorio reboots the Spy Academy to train his kids and other junior spies to counter Golden Brain's heinous plans.

Carmen and Juni must learn to manage the daily rigors of Spy Academy life -- or face the possibility of being expelled.

With S.W.A.M.P.'s diabolical plans thwarted, Golden Brain enlists musical mischief maker DJ Otto Tune to lure the spy kids out of the academy.

After detecting S.W.A.M.P. activity, two rivals must put aside their differences to keep the rest of Mission Critical from walking into an evil trap.

The Mission Critical kids must prove their worth when a rival group within the academy threatens to take their place as the top team.

When the spy kids confront Spurious Visage, they discover that his former student has gone rogue and reappeared as a S.W.A.M.P. agent.