<human>:  When did the show ‘Modern Family’ first air?
<bot>: The first episode of Modern Family aired on September 23, 2009, and the show is still running. The show is about a family of four, consisting of a father, a mother, a daughter, and a son. The family lives in Los Angeles, and the father is a successful architect, while the mother is a stay-at-home mom. The daughter is a lawyer, and the son is a doctor.