It's been a few days since the episode aired, so I guess it's ok not to spoiler tag this anymore.
What can I say? I didn't expect to have many random moments of laughter on a precure episode - mostly at the classroom scenes. It's fortunate that the switch was only for a day or Miyuki's reputation would have been totally ruined.
But wait, there's a little drama too..
Nice character development for Miyuki and Candy on this one.