Easter egg: On disc one, "On the Set" subsection of the "Production Notes" - the eleventh screen, another sled appears, and if you click on it, you'll find a 1994 interview snippet with editor Robert Wise.
Easter egg: If you click on the sled seen on the "Special Features" screen, you'll find a 1997 interview with actress Ruth Warrick. During this five minute and 40 second piece, Warrick discusses issues such as the atmosphere on the Kane set, her interactions with Welles, and a few other interesting topics. (From the 2 disc special edition 60th anniversary set-2001).