Dr. Morgan Reznik (Fiona Gubelmann) discovers that a very wealthy patient has a troubling obsessions with extending his life, a potentially lethal mix that may well end up costing more than even he can afford, in the new episode "The Uncertainty Principle." Brian Marc, Bria Samoné Henderson, Noah Galvin, Summer Brown and Elfina Luk guest star; Freddie Highmore and Antonia Thomas also star.