Todd asked J.D. during lunch "How you doing". It is a nod to Friends (1994), where Joey uses it as catchphrase.
Carla states she never attended college; however, this cannot be true as registered nurses in the United States are required to complete an accredited nursing school, receive at least an Associate Degree, and pass a national certification exam.
J.D.'s girl names: Janet and Ginger. Dr. Cox also refers to J.D. as Carla's daughter.
Title explanation: J.D. gets a new nickname (Scooter) from Janitor.