Gabe is left in charge of Charlie while working on a school project with his nemesis Jo. Meanwhile, Teddy must trick PJ into going to the dentist, but Teddy ends up breaking her tooth in the process.

When Charlie bites Spencer, Teddy begins to worry that her baby sister is affecting their relationship. So, she Leaving Ivy to babysit, she decides to surprise Spencer at work - only to discover a surprise of her own - Spencer with another girl.