They decided that the best thing to do was to try to get the stone again. They'd have to sneak up on Karyn and Sarah--otherwise Karyn could see them coming and use another wish.
Jon and Alan waited outside Sarah's house, hoping to catch Karyn coming outside, so they could either jump her or sneak in.
A few minutes later, Karyn opened the door. They jumped out, only to find themselves frozen in mid-air.
"I knew it was a good idea to wish that I'd be warned when someone hid outside here," said Karyn. "Now... what should I do with you?"