When T'Pril enters Spock's quarters, a softened version of the Original Series 'Combat Theme' is heard.
Mia Kirshner, who plays Spock's mother, Amanda, is only 11 years older than Ethan Peck, who plays her son.
Gia Sandu, T'Pring, and Ellora Patnaik, T'Pril, played mother and daughter in another series. They played Alia and Deena Roy in Hudson and Rex, S2 episode 7 "The Woods Have Eyes"
An advanced dis-corporeal alien identifies themselves as being called "Blue" - this could be a reference to Douglas Adams' book "The Hitchhiker's Guide to the Galaxy", which referenced a "superintelligent shade of the colour blue"