This series has always treated the teacher terribly, and she always seems to end up tortured by SpongeBob with no chance of getting any peace. However, "Doing Time" pushed things to the next level ...

When he tricks SpongeBob and Patrick to do it for him ... Of course, not only do things not go right, but even the C.H.U.M. get tired of Plankton by the end. In the season 12 episode, "Handemonium ...