The trivia item below may give away important plot points.
this episode is loosely based on "The Wizard Of OZ". the floating head in the entry way of the Sorcerer, who no one ever sees, or meets. The Wicked Witch Doctor. the bounty hunters, are the flying monkeys. The Professor, is more cold and aloof, than ever, representing the Tin Man (no heart). The bounty out for Quinn's brain, would make him brainless, represents the Scarecrow. Wade just wants to go home (Just like Dorothy Gale). And Rembrandt, is jumping at every turn, like the cowardly Lion.