Kicking myself for missing the first 5 minutes. I love the fact they clearly have someone working on the show that enjoys otaku culture. That, the Kameha Meha wave one of the "Wizards" did (that episode where Bobby buys Tarrot Cards), and the little Doraemon Lollipop the little Japanese girl held in the one they went to Japan. Woulda been the first time I saw Pocky referenced in an American cartoon.
Anyway, saw the second half of the episode and loved it. I love seeing Kahn as more than just a stereotype that thinks he's better than everyone else ( either an Asian guy stereotype, or my take on it, a northener that thinks everyone in the south is a hillbilly). There's a method to his anger. He wants to be superior because the General thinks he's a failure at everything.
I especially loved Dale's quote: In the world of karaoke, taking a man's song is like stealing his woman...and then making love to her as everyone in the room hears and looks on." (or something to that effect).