After Miss Kay gets the kids sugar-crazed, Jess decides the family needs to cut sugar out of their diet for a week. Meanwhile, Jep gets himself into a jam while trying to snoop on Lily's diary.

After Lily and Merritt plead with their parents to let them babysit Gus on their own, Jep reluctantly agrees on one condition--that they all take baby CPR. Meanwhile, Kathy and Miss Kay compete for their grandkids' affection and attention in a Battle of the Grandmas.