The MCF"s Best Rainy Day Adventure Ever is an MCF Spin-off Oneshot which is based on the Powerpuff Girls' episode of the same name. In the said one-shot, since it's raining, the MCF, Wander, Sylvia, Mordecai, Rigby, Bartok, Annie and Kenny are stuck in the headquarters during a rainstorm and play pretend of a case involving a monster to pass the time.


During a heavy rainstorm, the MCF are stuck in the headquarters with Mordecai, Rigby, Wander, Sylvia, Bartok, Tricia, Annie and Kenny. Though they can't go out and solve a crime during the storm, they play pretend to pass the time.

Characters Who AppearEdit

  • Raina
  • Starz
  • Emmy
  • Daisy
  • Jessy
  • Tracy
  • Tricia
  • Kenny
  • Annie Romanov
  • Mordecai and Rigby
  • Wander
  • Sylvia
  • Bartok
  • Naruto(minor appearence; voice only)


  • Plantara(mentioned)
  • Hans(mentioned)
  • Discord(mentioned)
  • Psy-Crow(mentioned)
  • Lady Mary Archer-Van Tassell(mentioned)
  • Lord Hater(mentioned)
  • Shirona(Mentioned)
  • Rasputin(Mentioned)
  • Damien the Haunted Ipod(non-speaking cameo)


  • This has no songs in it except for the short version of the MCF theme song.
  • This is one of the first MCF one shots since "Boys, We Shrunk the Authoresses"

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