S6, E8: What's Thanksgiving without a side of drama? Serena and Dan decide to throw their first Thanksgiving together, inviting only their closest friends, but everyone seems to have their own agenda for attending. Feeling defeated by his father (recurring guest star ROBERT JOHN BURKE), Chuck begins a downward spiral, leaving Blair to find a solution to his problems. Meanwhile, Dan has written his latest exposé, but he must make a tough decision whether to publish it, knowing it could destroy a close friendship. Recurring guest stars SOFIA BLACK-D'ELIA and BARRY WATSON appear as Sage and Steven, respectively.