High school student K.C. Cooper goes undercover as the government’s newest secret agent!
K.C feels bad for Ernie because their parents don't think he's ready to be included in the spy family secret. Marisa becomes the gossip columnist for the school newspaper.
K.C. begrudgingly agrees to try out for cheerleading with Marisa so they can spend more time together. Craig makes an effort to spend more time with Ernie.
K.C. calls for backup when Kira and Craig go missing on a mission. To her surprise, her retired-spy grandparents show up to help save the day.
Marisa has been named a finalist in a photo contest, and the photo is of K.C.! Ernie and Craig use Judy to do all the household chores.
K.C. loses her confidence after freezing on a mission. Noticing her friend is off her game, Marisa goes on her own mission to get K.C. back to normal.
The family is assigned to protect a handsome Prince. Ernie is used as a decoy, posing as the Prince at the Embassy.
Marisa turns in a paper that's all about K.C.'s last mission! Can they get it back before it's too late? Meanwhile a frenemy of Judy's comes to town…
K.C. becomes paranoid and believes that everyone around her is a threat. Ernie brings home a hot new girlfriend and K.C. is convinced she's a spy.
The Organization sends a spy, Brett, to pose as K.C.'s boyfriend for a mission. Kira tries to convince Craig to have a big party for their anniversary.
K.C. realizes that she has feelings for Brett, but she's given Marisa permission to date him! Marisa wonders if Brett is a good match for her.
Brett captures K.C. and reveals a double who looks exactly like her and who will replace her inside the Cooper family!
Zane uses the K.C. double to gain access to The Organization. Marisa suspects that something is wrong with her best friend.
K.C. has to cancel her spring break plans because of a mission so Marisa tries to video chat a play by play vacation for her! Meanwhile Ernie has to prove himself as a spy!
When a neighbor's house gets robbed, K.C. tries to organize a neighborhood watch group against Craig's wishes. Judy gets some help turning down a boy who likes her.
K.C. has to go undercover as a college student to protect the president's party-girl daughter. Meanwhile, Judy tries to prove she's just as good as Ernie and his Adventure Scouts.
The Other Side is recruiting agents from a juvenile detention center. K.C. poses as the baddest delinquent of them all in order to be recruited by The Other Side and stop them!
K.C. is undercover within enemy walls and discovers Brett is her trainer! Can she gather intel AND convince him to join the Organization? Or will she be discovered?
The Cooper family is on vacation and K.C. is determined not to do anything spy related. But when a new friend goes missing, can the family find out what happened to her?
Kira tricks K.C. into participating in the Cotillion Ball by telling her it's an undercover mission. Meanwhile Ernie and Judy compete over just who should by babysitting who.
When an agent's son goes missing from his all boys prep school, both K.C. and Ernie go undercover to find him. Meanwhile, Kira accidentally breaks Judy's "off" switch!
Judy wants to know where she comes from, so for her birthday, K.C. and Ernie decide to help her! But when Judy becomes enamored by her creator, will the family ever be the same?
When it's discovered The Other Side has Judy, K.C. and a special guest travel to Alaska to save her! Can they save her? Or has The Other Side already made use of her…?
K.C. and Marisa throw a Halloween party and lose K.C.'s spy bracelet. Ernie and Judy are on a mission in NYC when a dangerous serum containing wolf DNA gets spilled on Ernie!
K.C. and Ernie can't stop fighting! But when a mission goes wrong and they become locked in a vault, they'll have to work together to get themselves out before they run out of air!
Kira is arrested as an "enemy of the state." When she claims she's being set up, a defender arrives to help clear her name. But is she helping or hurting Kira's case?
K.C. thinks she's the best gift-giver ever! Yet Craig isn't happy with his present at all! Can she make it right? Meanwhile Ernie tries to teach Judy why Christmas is great.
Brett is sent to eliminate K.C.! But when he can't bring himself to do it, K.C. puts herself and her family in danger by protecting him from another spy.