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
- Annie Romanov
- Mordecai and Rigby
- Naruto(minor appearence; voice only)
- Lady Mary Archer-Van Tassell(mentioned)
- Lord Hater(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"