I dig the goth kids. Nice to see them again. Not sure why they had to invent a new asian character to be the video game dancing whiz... there was an Asian kid on the dodge ball team they could have used... or maybe had it be someone unexpected like Timmy or Jimmy.
Loved the duck.
Anyway, a Did You Notice from last night: the arcade was called "Flynn's Sinistarcade". Flynn's is the arcade owned by Jeff Bridges' character in Tron - he later gets sucked into the computer world and hillariety ensues. Sinistar is an arcade game from around 1982 - 1984 which is not unlike Asteroids, but more challenging and with better graphics.
I think the black coach for the out-of-town kids' dance team may have been a reference to the "evil" karate coach in The Karate Kid. Always loved that guy. "We do not teach mercy here! Mercy is for the weak!"
----- "There'll be someone else sitting here for Comedy Central. And that person... or woman... will have to face the fact that this is the network built on... South Park." - Craig Kilborn, The Daily Show