Cami says Rebekah looks younger than her. In fact, Claire Holt (Rebekah) is a couple of months older than Leah Pipes (Cami).
Filming for this episode started on the 14th August 2013.
Title meaning: a reference to the predominant color of the Masquerade Blue, the stage chosen by Klaus and Rebekah to begin their war against Marcel.
This episode had about 2.22 million viewers in USA, which was 0.30 million more than the previous episode.
Tangled Up in Blue is a song by Bob Dylan. It appeared on his album "Blood on the Tracks" in 1975.