Mikey (in Sarah's body) stared at the girl who was now his sister.
Jon looked down at herself with shocked eyes and then looked back up at Sarah. "Oh god. Mikey, why didn't you wish I was Jon, like I said?" Jon asked, annoyed at her brother's stupidity and shocked at her own new feminine voice.
"Oh, right. I wish you were Jon," Mikey said, finally complying to Jon's demands. But unlike Mikey's last wish, this wish was granted to the person closest to him, which was Jon. And Jon was looking at Sarah.
Jon stared in complete shock as she watched Sarah's body morph into the appearance of Jon's original male self.
From behind them, they heard a scream. It was Mikey, or rather Mikey's body. "I want my body back!"
"Are you Sarah?" Jon asked.
"Yes. Of course I am, you dimwit." Sarah (in Mikey's body) ran towards the "new" Jon and grabbed him. "Change back!" she yelled at Mikey (whose body now looked like Jon's and not Sarah's).
Zoe ran into the room and stopped suddenly, looking from one changed person to the next: Sarah (in Mikey's body), Jon (now a girl, but wearing Jon's original boy clothes), and Mikey (now looking like Jon, but wearing Sarah's original girl clothes). "What's going on?" she asked.