[s1e13] The Thin Line Between Chuck And Nate <360p • 720p>

After Blair rejects Chuck and his "games," Chuck retaliates by leaking to Gossip Girl that Blair slept with two different guys in one week.

Serena was actually buying the test for Blair, whose period is late. While the test ultimately comes back negative, the fallout is permanent. [S1E13] The Thin Line Between Chuck and Nate

Distraught by the pregnancy rumors, Dan blurts out his love for Serena in a panic. He later tries to redo the moment with a romantic picnic, but it is derailed by a Gossip Girl blast. The Betrayal: Chuck vs. Blair vs. Nate After Blair rejects Chuck and his "games," Chuck

Nate physically attacks Chuck on the street after learning about the betrayal. Distraught by the pregnancy rumors, Dan blurts out

This episode marks the transition of Chuck and Nate's friendship from best friends to bitter rivals and Jenny's official entry into the "popular" group.