The song is sung by Les Claypool of Primus. At the beginning, Les Claypool has a bunnyfish sticking out of his hat. There's a family of happy Aliens in one scene in the upper left. Jesus is flying around. Brian Botaino is seen skating around.
Aliens appear in almost every scene.
Mice climb out the window and Ike falls. Kyle kicks him and in the next part he hits the South Park sign.