While talking about his parents, Erhlich mentions a "meeting of minds". The mini-series was an award-winning PBS program Steve Allen wrote and produced from 1977-1981 that brought historical characters together to discuss modern topics.
After Ehrlich accidentally pierces an IV bag with a laser in the OR, he refers to Dr. Craig as "Darth Vader" because of his surgical mask and protective goggles. Craig replies, "When it comes to Star Wars, you're a black hole!"