In "A Boy Named Sue", Mandark's true name is revealed to be Susan. His stereotypically hippie parents had said they named him according to "the name that the wind says".
The robots F.R.E.D. (First Response Executing Droid) and M.A.R. 10 (pronounced as "Martin") are named after Fred Willard and Martin Mull, the two actors who voice them respectively.
First Appearance of Windbear and Oceanbird.
Production code is 305.
Although this episode aired in 2002, it was made in 2001 according to the credits.