Darryl and Wanda are exhausted when Zoe's excessive crying keeps them up all night. Wanda looks to Carl for some help -- who in turn is looking for some help with Rodney -- and soon sees that Rodney's the only one that can make Zoe stop crying. When he gets home from work, Darryl is amazed that Rodney is Zoe's new babysitter. Melinda is amazed when she comes over late that night to claim Rodney, only to find him sleepingly peacefully with Zoe. Wanting some time apart from her son as much as Darryl and Wanda want some time apart from Zoe's crying, Melinda leaves him there -- which is fine with the MacPhersons since it means they get to have sex that night. The next morning, Rodney doesn't want to leave and his parents don't want him to leave. Darryl makes him leave, and Zoe goes right back to crying. He and Wanda have no choice but to take Rodney in as Zoe's full-time babysitter. But it doesn't take long before the little extortionist demands money out of the MacPhersons to continue kee