Rachel Bilson, ex-girlfriend of Adam Brody, appears in this episode reading for the part of Blair Waldorf, who was portrayed by Leighton Meester throughout the series. Leighton Meester later went on to marry Bilson's ex-boyfriend, Adam Brody, in 2014.
Although Tayloe Momsen and Connor Paolo appeared in this episode, they are only shown in one scene in the timejump where Serena gets Married to Dan.
Blake Lively (Serena), Leighton Meester (Blair) and Penn Badgley (Dan) are the Only Cast Members to appear in every Episode of the Series.
Original International Air Dates:
Canada: December 17, 2012 on MuchMusic
United Kingdom: December 19, 2012 on ITV2/ITV2 HD
Norway: December 27, 2012 on FEM
Turkey: February 3, 2013 on CNBC-e
"You Got the Love" by Candi Staton