Share a day, and a mystery with Zach, BJ, and GrandpaWhen Mom's car breaks down, nine and a half-year-old Zach and his three-year-old brother BJ are left home alone with Grandpa, helping to unpack his belongings in his new apartment.Zach's unhappy because he's unable to make it to his friend Tyler's birthday party. Grandpa's unhappy with having to move to California from Wisconsin after he broke his hip. And BJ throws a tantrum because he didn't get to see the end of his video.Zach and Grandpa team up to pacify BJ and solve a mystery!
