It a nice morning day in Springfield for the Simpson family. They eating breakfast in the morning and talking about stuff. Marge look at the clock and realize the kid going late for school. Marge trying hurry put Lisa's clothes on Bart and Bart's clothes on lisa. Marge push the kid to go outside to the school bus. Bart and Lisa realize they are wearing the wrong clothes but they can't go inside the house and has no choice to go to school like that. So they went inside the school bus and everybody is shock what they wearing. So the school bus stop at the school and the kids go inside the school but principal skinner see two kids dress in wrong clothes. Skinner ask Bart and Lisa why your are wear the wrong clothes. Lisa explain the situation but skinner say there is new rule at school by say with two peoples dress in wrong clothes and they just to wear the wrong clothes rest of the school year. Bart and Lisa is shock by all of the this. Skinner told Bart since you are wearing Lisa's clothes you still use the boy's restroom and Lisa since you are wearing Bart's clothes you still use the girl's restroom. Bart ask skinner with they change back to there regular clothes but skinner say you stay in those clothes Bart. Bart complain he didn't want to wear a dress but skinner say you has to wear it rest of the school year because your prank will get better. Bart thinking this could work while wearing Lisa's clothes might improve his prank and Lisa is thinking with she start wearing Bart's clothes she will be a genius. So they went to class a normal and they went home. They show the note to their parents and decided it going be okay.
So marge went to Bart's bedroom to take his clothes to Lisa's bedroom and she take Lisa's clothes to Bart's bedroom. Marge say I make your bedroom clothes switch and that all of your clothes. So Bart went in his bedroom to see all of Lisa's clothes and he complained again by saying why I going get stuck in dress for rest of the school but Lisa say it for your own good because I hope to keep wearing these clothes in summer. Bart ask Lisa why you want to wear my clothes in summer and Lisa say I get tired wearing dresses but you can keep my dresses. Homer came in and say it okay Bart since you just to keep wearing Lisa's clothes long time. Bart like feeling in Lisa's clothes because he like the breeze between his leg and maybe he keep wearing Lisa's clothes from now on. Bart know I will never giving these up and he going to ride his skateboard to town. Lisa seeing Bart having fun and she decided to has fun to. So she ask millhouse on a date. Lisa think this could workout alright and maybe this date will be okay.