Maddie starts to realize that some traits seem contagious. Tina gets zapped again, making her lactation spreadable as well. Maddie and Leila decide to ditch school for a few days to figure things out, but a new function of the device reveals itself, and Leila winds up zapping an old bully of theirs, who they chance to meet on their mini-vacation. Meanwhile, Cassie starts putting the pieces together, but wrongly, while Dana and Miguel have issues at home thanks to their new nudism.