The series had a scene about a fictional court case in which a mother sued a vaccine company for causing her son's autism.
It's a controversial issue, so we want to update you on the science of it.
The Centers for Disease Control is conducting extensive, ongoing research on autism and childhood vaccines and has found no clear association.
ABC released this statement reading: "The characters, products, companies and events depicted in the episode are all fictional. The storyline plays on topical issues for dramatic effect, but its purpose is to entertain."