Silent but deadly. Never been prouder.
Ernie to Judy

K.C. Under Construction is the sixth episode in Season 3 of K.C. Undercover and the fifty-seventh overall. It first aired on August 11, 2017 to 1.18 million viewers.[1].


Unbeknownst to K.C., Marisa is leaking classified information including her latest undercover assignment as a construction worker. Meanwhile, Judy’s disagreement with Diane over the tooth fairy jeopardizes the sophisticated robot’s disguise as an everyday 10-year-old.[2]


Main Cast

Recurring Cast

Guest Cast

  • Lex Medlin as Roy
  • Eris Baker as Diane
  • Tara Karsian as Crystal
  • Larry Poindexter as Foreman
  • Yoshi Sudarso as Enemy Agent

Absent Cast


To view the K.C. Under Construction gallery, click here.


  • The Organization now knows a third player in the spy world exists.
  • Brady may be forming an attachment to Marisa.
  • Brady displayed his true colors by ordering K.C. to be eliminated.
  • Tara Karsian played Superintendent Kneebauer on Liv and Maddie.
  • Larry Poindexter played Xander's father on Bunk'd.
  • Roy called K.C. for "new guy" multiple times.
  • Twelfth time Craig is absent.
  • Eleventh time Kira is absent.


Roy You, uh, you got everything under control there, right?

K.C. Yeah, don't worry, Roy. This is a brain imploder. It shouldn't affect you.

Brady Ha. Actually, maybe we should be posing as boyfriend and girlfriend.

Marisa Yeah, I don't mean to back you up into the friend zone, but, uh... beep, beep, beep.


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