The Cooper family, along with Marisa, are on the run from Zane in Rio de Janeiro, while The Organization tasks them with bringing down a notorious bird smuggler.
The Cooper family works together to bring down a notorious bird smuggler, while Zane’s henchwoman, Sheena, is ready to bring down K.C.
Still on the run from Zane’s henchwoman, K.C., Marisa and Ernie are determined to find their way to the jungle extraction point.
When Zane sabotages the Coopers’ plane ride, it is up to K.C. to save herself and her family.
K.C. is surprised by the results of her SAT score, while Marisa expresses interest in becoming a spy.
K.C. struggles to make amends with Marisa after their fight, while Marisa wants a recommendation for The Organization from K.C.
K.C. goes undercover as a construction worker and is treated unfairly by the other workers.
K.C. is tasked with tracking down a dangerous weather-controlling device on the same night as her homecoming dance.
K.C. lies to The Organization about losing the weather machine and is sent on a new mission with Craig to recover the machine's power source.
K.C. is eager to reveal Brady’s secret identity but things go awry with her plan.
Brady is part of The Alternate, and K.C. lets her family and The Organization know. She decides to recommend Marisa to The Organization for recruitment.
K.C. escapes from her cell where Brady has been holding her hostage and finds Gwen Pepper, a young scientist who Brady has kidnapped and forced to work on The Storm Maker.
When Judy freezes and starts saying that her memory is almost full, Craig realizes that it’s time for her refresh and returns to The Organization to upload her experiences.
K.C. realizes she misses Darien and goes to tell him, but he reveals he has a new girlfriend. K.C. lies and says she has a boyfriend and the two agree to go on a double date.
K.C. goes to Switzerland for a Secret International Conference of Young Espionage Agents, but Ernie is left behind to host a group of international agents.
The Coopers prepare for Poppa Earl to visit with his new fiancée, Betty. He surprises everyone with how happy he is, but K.C. recognizes Betty from an unsolved case from 1977.
K.C. is tired of being just friends with Darien; she wants to be his girlfriend and at least try to date again.
K.C. is assigned to protect a foreign diplomat at a university ceremony and must go undercover by joining the school's drumline to secure a key position next to the diplomat.
Byron waits for K.C. to respond and she says she’s not K.C. but her cousin, Cassandra. Byron suggests they all go to dinner, so K.C. breaks Bernice out of jail to play her cousin.
The team strategizes on ways to find Bernice when Ernie spots a composite sketch of K.C. on the news. Bernice has been robbing convenience stores all across the D.C. Area.
The Coopers track down enemy agents who are distributing weapons to enemy agencies. They capture the enemy agents, only to discover they are parents of K.C.'s classmate, Amy.
As K.C. continues to get closer with Amy, she plants bugs in the Bishops' house for information on the weapon distribution list.
K.C. decides to save Ernie since it was her fault the barbecue failed. They learn the Bishops have planted listening devices and someone called the The Mask wants the weapons sold.
K.C. and Marisa take Amy on a trip to New York so she won't be at home to witness her "parents" being arrested by The Organization.