Whilst Georgina gets whats been coming to her, Dan and Serena are still having trouble, as Dan finds it difficult to forgive her for what she did in the past. Lily wakes up next to Rufus before she goes back to Bart to get married. Chuck makes a best man speech that wows the crowd.. including Blair, but there is still a quite unexpected finish to the series, as the crowd ostensibly swap romantic partners for the summer.

Part 1:

Part 2: