K.C. and the Vanishing Lady is the eighteenth episode in Season 1 of K.C. Undercover and the eighteenth overall. It first aired on July 26, 2015 to 2.14 million viewers.[1]


The Cooper family tries to take a much-needed vacation from spying, but their plans are interrupted when a wealthy socialite vanishes from their resort and K.C. is determined to find out what happened.[2]


Main Cast

Guest Cast

Absent Cast


  • This was part of Disney Channel's Whodunnit Weekend.
  • This was the first episode where Marisa didn't appear, making K.C. the only character to appear in every episode.
  • Ernie returned from his 2 episode absence.
  • Running Gag: The Cooper Family kept forgetting Ernie.
  • Craig could be considered very greedy in this episode, unlike other episodes.

International Premieres

  • August 26, 2015 (Australia)
  • October 2, 2015 (Germany)
  • October 11, 2015 (Latin America, Brazil)
  • November 20, 2015 (Spain, Portugal)
  • November 24, 2015 (Israel)
  • January 28, 2016 (Turkey)
  • May 7, 2016 (Hungary)


To view the K.C. and the Vanishing Lady gallery, click here.


K.C. Undercover - K

K.C. Undercover - K.C And The Vanishing Lady


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