K.C. Undercover Wiki

Do You Want to Know a Secret is the 2nd episode in season 2 of K.C. Undercover and the 29th episode overall. It first aired on March 13, 2016 to 2.14 million viewers.[1]


When a college student shows up claiming to be a relative, Kira is forced to tell a family secret she’s been holding for years. Meanwhile, Marisa and Ernie give K.C. tips on how to handle her first date with Darien.[2]


Main Cast

Guest Cast


  • Brett is mentioned twice.
  • This was the first real date that K.C.'s ever gone to. The movies with Brett are a mission, the dance with Lincoln was also a mission, and the guy that K.C. made out with at camp was just imaginary, and she told her that she just made him up.
  • K.C. finds out she has a cousin.
  • Kira mentioned she had a sister that joined The Other Side.
  • This episode starts an episode arc.
  • The new spy gadget, electronic balls, are introduced.
  • An agent was kidnapped by the other side in this episode, however, K.C. came to the rescue and saved his life.
  • The working title for this episode was Can You Keep a Secret.

International Premieres

  • May 20, 2016 (Spain, Portugal)
  • June 5, 2016 (Latin America, Brazil)
  • July 20, 2016 (Israel)


To view the Do You Want to Know a Secret gallery, click here.



"Do You Want to Know a Secret" Sneak Peek - K.C. Undercover


Season 1
PilotMy Sister from Another Mother... BoardGive Me A “K”! Give Me A “C”!Off the GridPhoto BombedHow K.C. Got Her Swag BackDaddy's Little PrincessAssignment: Get That Assignment!Spy-anoia Will Destroy YaDouble Crossed Part 1Double Crossed Part 2Double Crossed Part 3Stakeout TakeoutThe Neighborhood WatchdogsFirst FriendOperation: Other Side Part 1Operation: Other Side Part 2K.C. and the Vanishing LadyDebutante BallerK.C.'s the ManRunaway RobotAll Howls EveThe Get Along VaultEnemy of the State'Twas the Fight Before ChristmasK.C. and Brett: The Final Chapter - Part 1K.C. and Brett: The Final Chapter - Part 2
Season 2
Coopers Reactivated!Do You Want to Know a SecretRebel with a CuzThe Mother of All MissionsAccidents Will HappenBrainwashedThe Truth HurtsDown in the DumpsDance Like No One's WatchingThe Love JinxK.C. Levels UpCatch Him If You CanSup, Dawg?Tightrope of DoomThe Legend of Bad, Bad Cleo BrownSpy of the Year AwardsIn Too Deep, Part 1In Too Deep, Part 2Virtual InsanityUndercover MotherTrust No OneHolly Holly Not So JollyCollision CourseFamily Feud
Season 3
Coopers on the RunWelcome to the JungleOut of the Water and Into the FireWeb of LiesTeen DramaK.C. Under ConstructionThe Storm MakerKeep on Truckin'Unmasking the EnemyThe Truth Will Set You FreeStormy WeatherDeleted!Second ChancesRevenge of the Van PeopleThe Gammy FilesTake Me OutTwin It to Win ItCassandra UndercoverK.C. Times ThreeThe Domino EffectDomino 2: BarbecuedDomino 3: Buggin' OutDomino 4: The MaskK.C. Undercover: The Final Chapter