Follows the lives and families of three adults living and growing up in the United States of America in present and past times. As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday - and so much more than anyone would expect.

Twins Phoebe and Max Thunderman embark on a mission to alleviate the threat in the seaside town of Secret Shores, as well as helping Chloe develop her superhero abilities by bringing her along on their undercover mission. Chloe forms a bond with two classmates while they investigate suspicious activity coming from the local school, who don’t realize their new friend has secret powers. As the danger increases, the Thunderman trio must stay in town indefinitely, leaving the squabbling twins in charge of raising their younger sister.

After nearly three decades of being Santa Claus, Scott Calvin’s magic begins to falter. As he struggles to keep up with the demands of the job, he discovers a new clause that forces him to rethink his role as Santa and as a father.

JoJo Siwa and her mom Jessalynn create the brand-new group "XOMG POP" to become pop music’s next big sensation, selecting 11 of the most talented triple-threat girls from across the country to compete for a spot in the group.