<P> Ernie and Marisa mock K.C., believing that she does not have a date for their final high school homecoming . On the night of the homecoming, K.C. goes on a mission to retrieve a weather - altering device known as the Storm Maker, which the remaining members of The Other Side plan to use to create man - made weather disasters . K.C. retrieves the device and hides it in her school locker, where she plans to keep it while she attends the homecoming . K.C. has Howard, a gadget inventor for The Organization, pose as her date at homecoming, telling him that it is actually practice so he can become a field agent . Marisa attends homecoming with Brady, while Ernie goes with Monique . Brady learns about the Storm Maker through Marisa after having her casually question K.C. about her latest mission . Brady, who is working for The Alternate, steals the device and places it in his locker, then deletes security footage of his theft before K.C. and Ernie can learn who took the device . Meanwhile, Craig and Judy attend a father - daughter dance at her school . </P> <P> Guest stars: Rick Hall as Agent Johnson, Connor Weil as Brady, Matthew Gold as Howard, Chandler Kinney as Monique </P> <Tr> <Th> 59 </Th> <Td> 8 </Td> <Td> "Keep on Truckin"' </Td> <Td> Jon Rosenbaum </Td> <Td> Darin Henry </Td> <Td> August 25, 2017 (2017 - 08 - 25) </Td> <Td> TBA </Td> <Td> 1.20 </Td> </Tr> <Tr> <Td_colspan="8"> <P> K.C. and Craig discover that the Storm Maker device cannot be powered without a rare chemical known as Dilithium . They go undercover as workers at a truck stop restaurant so they can obtain the Dilithium from a truck that is delivering it . Meanwhile, Ernie gives Judy an emotion upgrade to increase her mental sensitivity, to help her maintain her cover as a real child . At school, Ernie overhears Brady during a phone conversation and discovers that he is an enemy agent . Brady uses memory spray to erase Ernie's recent memory . Marisa visits the house to ask Ernie questions regarding K.C.'s latest mission . Ernie then overhears Marisa talking to Brady on a cellular phone, and learns that she is a spy . Marisa erases his recent memories with memory spray . At the truck stop, the driver of the Dilithium truck walks inside for lunch, allowing K.C. to obtain the chemicals . Brady, wearing a ski mask, takes the Dilithium and hijacks the truck . K.C. attempts to take control of the truck, and scratches part of Brady's face through the mask opening, before falling off the truck . Later, K.C. meets Marisa and Brady at a restaurant, and notices the scratch marks on his face . Although he says the marks came from a cat, K.C. realizes that Brady was the truck hijacker . </P> <P> Guest stars: Rick Hall as Agent Johnson, James DiGiacomo as Petey, Connor Weil as Brady </P> Absent: Tammy Townsend as Kira Cooper </Td> </Tr>

When does the new episode of k.c undercover come out