In the episode "Hell Is Other Robots", they sing part of the Robot Hell song. During this song, their heads are outside jars, so it is assumed Robot Hell contains some sort of extraordinary life support.
Bender Bending Rodríguez, Philip J. Fry I, and Turanga Leela go to see the Beastie Boys in the year 3000 and meet them backstage and Fry says that he had their five albums in 1999, to which they reply, "That was a thousand years ago. Now we have seven.".
- Adam Yauch was unavailable at the time of the recording, so only Ad-Rock and Mike D voice themselves in the episode with Ad-Rock also voicing Adam Yauch.