Celebrity·Posted on Jan 11, 2013The Best Moments From The "30 Rock" Cast On Jimmy FallonDON'T LEAVE US.by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail Jack McBrayer 's impressions of Tracy Morgan: Tina Fey's entrance: Tap to play GIF Tap to play GIF When Tracy Morgan sang: View this video on YouTube Via youtube.com When Tina made this face: Tap to play GIF Tap to play GIF Tina talking about her last scene: This discussion about the "30 Rock" porn parody: (which is this by the way) When Tina's foot looked broken: And, this moment. Tap to play GIF Tap to play GIF We'll miss you, "30 Rock," we'll miss you very much. See the full clips here latenightwithjimmyfallon.com