what is 'the wrong goodbye (gossip girl)'?
It is the 87th episode of the television series "Gossip Girl".
The Wrong Goodbye (Gossip Girl)
"The Wrong Goodbye" is the 87th episode of The CW television series "Gossip Girl". 
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The Wrong Goodbye (Gossip Girl) [SEP] Introduction
"The Wrong Goodbye" is the 87th episode of The CW television series "Gossip Girl". It is also the 22nd and final episode of the fourth season. The episode was directed by Patrick Norris and the second finale in the series written by Joshua Safran. This also marks the second time that the show filmed a scene in California. "The Wrong Goodbye" aired on the CW in the United States on May 16, 2011, and was viewed live by an audience of 1.36 million Americans. Despite the low ratings, the episode garnered positive reviews from reviewers and critics. "The Wrong Goodbye" picks up where the previous episode had left off.