What was the last episode of Gossip Girl aired on the CW?!

Question: What was the last episode of Gossip Girl aired on the CW!?
Answers:

Season 1 Episode 18 "Much 'I Do' About Nothing" (last episode)Www@Enter-QA@Com

The last episode was 1x18 Much 'I Do' About NothingWww@Enter-QA@Com

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