CTV has uploaded full Gossip Girl episodes onto their website for Canadian residents. Once you get to the link, just click on the Gossip Girl icon, and another window should pop up. I'd upload a direct link, but it changes after each episode :)
For the annual Snowflake Ball, Blair and Chuck make a bet that they can find the ideal dates for each other. Aaron's ex-girlfriend, Lexi, expresses an interest in Dan which creates conflicted feelings for Serena.