This is the first season premiere to not be written by Kevin Williamson and Julie Plec.
Before the official title was revealed it was rumored that it was named "Phases."
This is the first season premiere and episode overall (excluding Pilot) to not have a "Previously On..." voice over. Instead, the first 15 episodes of this season have a special recap segment.
This episode had about 3.18 million views in the USA.
This is the first episode of the first chapter of Season Four, The Transition Chapter.