Ethan Duncan (Andrew Gillies) is reading "The Island of Dr. Moreau" by H.G. Wells to Kira (Skyler Wexler). In the novel, Doctor Moreau has fled to an island after being exposed for performing vivisections that combined humans and animals and he and his creations are met by a shipwreck survivor who happens upon the island when the ship that rescued him stops there.
After Felix slips Vic a mickey, he tells Sarah it was benzodiazepine. Benzodiazepine is the umbrella name for the class of psychoactive drugs including Valium, Klonopin, Ativan, Xanax, Librium, and Rohypnol.