After spending 15 years struggling to conceive, Jennifer and Tim adopted beautiful twin girls, Mekenna and Alyssa. However, being mature parents, the twin's boisterous behavior has started to create anxiety and animosity between Jennifer and Tim as they clash over how to best raise their children. Can Jo help alleviate the tension in the household before it's too late?

Heather and Todd thought Hawaii was going to be the ideal location to raise their triplet boys, and they even flew in grandma to help. But trouble struck paradise as the triplets grew into wild screaming toddlers and the parents became polarized. Can Jo break through Todd and Heather's denial and get them on the same page? Or will the kids' unruly behavior spin out into total chaos?

When Crystal Tobeck and Jeff Lawrence met, they doubled their family and got a second chance at love. But the honeymoon was soon over as rebellious children clashed with controlling parents, leaving everything in chaos. Can Supernanny help this family blend in more love and harmony?

Mom, Kristi is overwhelmed and frustrated having to discipline her three girls while her husband, Diarmid, timidly passes the buck. Kristi has resorted to yelling and screaming in order to gain control, and now, her aggressive behavior is being mimicked by her daughter, Karina. Can Nanny Jo get these parents to work together on a united front, or will the house continue to be hostile and divided?

After their children were diagnosed with life-threatening food allergies, Dan and Miranda Andersen are constantly on guard for their family’s safety, which has led to conflicting parenting styles. Also, too much unsupervised screen-time has made the bedtime routine a nightmare. Can Nanny Jo help this family over-come their fears and get a good night’s rest?

Stay at home dad, Anthony Garcia is struggling to understand his new role as the primary caregiver, while mom, Bethanie, can’t find her work, life balance. Now the children are ruling the roost amidst all the confusion and the parents are at their wits end. Can Jo help these young parents establish boundaries and respect within the household?

The Ostler's are struggling to control their two rambunctious boys while also still grieving the loss of their first child. Dane's occupation as a Wildland Firefighter often leaves his anxiety ridden wife, Nicole, on her own with the boys. With the oldest, Jax, craving more independence, Nicole's helicopter parenting style is only driving him further away. Can Jo help this mother work through her high anxiety while also allowing her children to become more independent?

The Richardson’s have found themselves at a loss managing their six fiercely independent kids and can’t keep up with the mess that follows them. But more importantly, Brittany’s four oldest children from her first husband are struggling with the recent passing of their father which is causing friction between them and their stepfather Ralph. Can Nanny Jo help this family cope with the loss of a loved one and come together as a blended family?

The Corry’s are a military family struggling to discipline their four daughters. While Ben, the father, is away with the army for months at a time, Maria, the stay-at-home mom, is left dealing with their rambunctious children and navigating her post-partum depression. Will Nanny Jo be able to dive into the trenches and rescue this family?

Working parents, Jessica and CJ Braido, feel they’re being overrun by their four small children and are at a loss at how to come together on their parenting perspectives. The only thing they can agree on is using electronics as a babysitting device in order to give them some peace. Can Jo get these parents to come together to work as a united front, or will war break out in the Braido household?