"Spy-anoia Will Destroy Ya" will air on April 19, 2015. When K.C.'s (Zendaya) somewhat awkward brother Ernie brings home his new girlfriend Jolie (Bella Thorne), a smart and super gorgeous exchange student, K.C. is convinced she is really a spy. Zendaya will star in and co-produce live-action spy comedy “K.C. Undercover.”