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.
An embarrassed Scorpion threatens to leave the Spy Academy when her TV star father, Fegan Floop, decides to join their faculty.
Mint Condition, PSI's favorite street artist, takes the inventor under his wing, asking him to help design a new industrial art installation.
Team leaders Carmen and Juni must pass a difficult midterm exam known as the Mind-Bender -- or once again face expulsion from the Spy Academy.
Finally feeling like a real team, the Mission Critical kids face their toughest test as they set out to destroy Golden Brain's lair once and for all.
With his mole in need of a diversion, Golden Brain turns his tech guy into a living computer virus to destroy the academy mainframe.
A cash-strapped Golden Brain sends heavy metal rocker Death Meddle to break into the treasury with his destructive, high-frequency vocals.
Carmen is so superstitious that she's convinced she's jinxed herself! Meanwhile, Golden Brain seeks a formula for his mole to complete a mission.
Ace looks for plastic surgeon Dr. Jericho, fearing he'll lose his title as the face of a spy magazine. But Golden Brain has other plans for the doctor.
Carmen and Scorpion must learn to set aside their distrust for each other when a meeting between Golden Brain and the mole gets intercepted.
After receiving an alleged message from her crush, Carmen heads to the desert, where a trap laid by S.W.A.M.P. awaits.
While Mission Critical screens the faculty using a high-tech lie detection system, Juni's sent to retrieve a secret file from the old O.S.S. HQ.
The Mission Critical kids catch Floop under suspicious circumstances. Now, Juni and Scorpion have until morning to prove his innocence.
The Cortezes come to the academy for the Battle of the Best Spy Family. But Juni's worried his father will reveal the creator of the Pinnoquinox serum!
With the Pinnoquinox in Golden Brain's hands, the brave kids of Mission Critical must storm S.W.A.M.P. HQ to retrieve the serum by force.