While the rest of the world (at least the kansas payday loan license) was watching the Billboard Music Awards, The Simpsons featured a cameo from http://uristocrat.com/houston-dwi-attorneys/ on their latest episode. The episode also featured an appearance from Björk (scroll to the 11:15 mark.) along with original music from the band serving as the soundtrack. The band also reworked the shows intro thee song.
The episode featured Homer, Moe, and Lenny traveling to Iceland in pursuit of Carl, who fled to the country with a winning lottery ticket. Sigur Rós appeared as animated characters during a gathering of local townspeople in Iceland (scroll to the 17:20 mark).
Watch the episode now over on The Simpson‘s http://uristocrat.com/2013/12/watch-killer-mike-and-el-ps-run-the-jewels-a-christmas-fucking-miracle/.