DYFS stands for "Division of Youth and Family Services", from 1996 through 2012 it was the state of New Jersey's child protection agency. In 2012 its name was changed to DCPP, "Division of Child Protection and Permanency".
Dr. Huang (BD Wong) says "Actually school shootings are pretty rare Adam". However, the number of school shootings have only increased in the United States. Since the Columbine massacre (1999), there have been at least 404 school shootings and counting. There were more school shootings in 2022 (46) than in any year since at least 1999. (correct as of 2024).
Joseph Cross (Adam Nesbit) also appeared in S24.E18 "Bubble Wrap" (2023), as Martin Parish.
Adam Nesbit (Joseph Cross) says "We learn so much and we don't have to be afraid of getting hurt. Like at Columbine". This is in reference to the Columbine High School massacre, which occurred on April 20, 1999. Teenagers, Eric Harris and Dylan Klebold, shot and killed 13 people at their high school, wounded 21 others, and killed themselves afterwards.
Marilyn Nesbit (Diane Venora) says "Oh we do morning calisthenics". Calisthenics is a form of exercise that uses a person's body weight and requires little to no equipment. Examples of calisthenic exercises include push-ups, crunches, and burpees.