At Chuy's insistence, Bill and Jo finally enroll Lulu in preschool only to discover she is a biter. While they navigate incident reports and overprotective parents, Sandy explores their family history with an ancestry DNA kit.

Cast: Will Sasso, Christina Vidal, Ella Grace Helton, Guillermo Díaz, Jane Curtin, Gloria Calderon Kellett, Sonny Valicenti, Sarah Levy, Ireland Carvajal, Sedona Carvajal