Rachel tells Ioan Gruffudd's character that she loved him as Lancelot in the musical "Camelot." Ioan had previously played Lancelot in King Arthur (2004).
This is the first episode to be filmed following the passing of Cory Monteith
First episode right after the death of Corey Monteith. Lea Michele who was his on and off scene love interest first song she sang was "Yesterday" which has lyrics " why he had to go, I don't know. He didn't say. I said something wrong now I long for yesterday. "
The police carting off Figgins tell him "Our hands are tied," which is Figgins's own signature line to Sue and Will on multiple occasions.
When Kurt and Blaine are talking they mention Goldie Hawn and Kurt Russel. Kate Hudson who plays Cassandra July is Goldie Hawn's daughter.