The animators originally drew in Marvel Comics writer Stan Lee to attend the funeral, since Dan Turpin was based on Lee's friend Jack Kirby. This was taken out by DC, who didn't want a cameo from a rival company.
However, the cameo appears in the DVD release.
However, the cameo appears in the DVD release.
This episode is dedicated to artist Jack Kirby. Kirby worked for both marvel and DC, and was the creator of many famous comic book characters, including the super-villain Darkseid.
Last voiced role for actor Steve Sandor who voices Orion in this two parter.
Ayers Island and Sinnott Air Force Base are references to inkers Dick Ayers and Joe Sinnott, frequent collaborators with Jack Kirby, creator of the New Gods and the Fourth World
Included as a bonus episode on the bluray release of Superman/Doomsday (2007).