He played the role of Carter Baizen in seasons one through three of Gossip Girl.<br /><br />And Sebastian Stan paid homage to the beloved teen drama series on the 13th Anniversary of its premiere on the CW by watching the pilot episode.<br /><br />'It was the best of times and it was the best of times. Xoxo, Gossip Girl. Premiere 09/19/2007,' captioned the 38-year-old actor, who shared the video with his 4.8million Instagram followers.<br />With a glass of wine in hand, Sebastian sat on his couch and reacted hilariously to some of the episode's most iconic moments and characters. <br />He kept the camera fixed on his face with the sound of the Gossip Girl pilot's opening scene playing in background before uttering: '"Episode one!'<br />Stan got particularly excited when fellow actor Chace Crawford, who played heartbreaker Nate Archibald, graced the screen.<br /><br />'Yes! Chace! I always wanted to have that hair,' he remarked as a huge smile swept across his face.<br />In the scene, Chace sported his character's signature coif as he and actress Blake Lively, who played the series' main character Serena van der Woodsen, engaged in some tense back-and-forth.<br /><br />With Serena having just rejected Nate's affections, Sebastian turned his camera away from the television screen so he could share his reaction with his online following. <br /><br />His eyes bulged out of his head and his mouth was agape as he attempted to process the blatant rejection his just witnessed on screen. <br />The rest of the video highlighted some of the more dramatic moments of the episode, which prompted Stan to take a few comedic swigs from his wine glass.<br /><br />Sebastian also located Crawford in a party scene, which prompted him to yell: 'There he is!'<br /><br />The final moments of the Gossip Girl pilot showed Lively's character Serena staring out the window of a taxi cab as the series' narrator, voiced by Kristen Bell, uttered the show's famous send off. <br />'Oh God!' exclaimed Stan upon the episode's end. 'Well, I wasn't in the pilot, but I wish I was.'<br /><br />He gave on final smirk to the camera before signing off with 'Xoxo Gossip Girl.'<br /><br />A few hours after Sebastian uploaded his video to Instagram, Chace took to the comment to give his two cents on Sebastian's comedic reaction. <br />
