 Dr. Lee asks Michael about his latest experience with the " green reality " . At a police carnival at an amusement park , Emma ( Daniela Bobadilla ) , Rex 's girlfriend , asks if she and Rex can bungee jump . As they are walking to the ride , Michael bumps into someone who claims that it was his fault . At the ride , Michael goes first , but the person in charge of the ride seems concerned about something ; Michael passes out and wakes up in the " red reality " ( where Hannah is alive , but Rex is dead ) , as if the " green reality " were a dream . In the " red reality " , Dr. Lee says it is progress , that Michael is trying to tell himself that his son is dead and that he is on the verge of a breakthrough . Shortly after getting into his car , Michael suddenly sees the man who he bumped into at the amusement park . Michael sees the mystery man several more times throughout the episode and it becomes more clear the man is only a hallucination . 
