Rattle of the Snake

 is the 37th episode of the 2002 He-Man and the Masters of the Universe series. It originally aired on December 27, 2003.

Moral
He-Man: "Holding a grudge never solves anything. It's always best to talk it out. The problem might be a simple misunderstanding or, something that could be resolved with an apology. You'll both feel better about it if you do. Until next time."

Heroic Warriors

 * Fisto
 * He-Man
 * Prince Adam
 * Man-At-Arms
 * Mekaneck (moral only) (non speaking role)
 * Ram Man (moral only) (non speaking role)
 * Stratos (moral only) (non speaking role)
 * Teela

Allies

 * Ceratus
 * King Randor
 * Lord Dactys

Historical figures

 * King Grayskull (mentioned)

Evil Warriors

 * Webstor (mentioned)

Snakemen

 * King Hiss
 * Kobra Khan
 * Sssqueeze
 * Rattlor
 * Snake Face (in petrified form) (non speaking role)
 * Tung Lashor

Locations

 * Eternos
 * Spelea
 * Subternia
 * Temple of Serpos

Vehicles

 * Spitbull

Species

 * Caligars
 * Humans
 * Snake Men
 * Speleans

Artifacts

 * Ambrosia (mentioned)
 * Medallion of Serpos

Cast

 * Cam Clarke as He-Man/Prince Adam
 * Mark Acheson as Fisto
 * Lisa Ann Beley as Teela
 * Garry Chalk as Man-At-Arms
 * Brian Dobson as Ceratus, Sssqueeze and King Hiss
 * Michael Donovan as Tung Lashor, Randor and Roboto
 * Scott McNeil as Kobra Khan
 * Richard Newman as Lord Dactys

Trivia

 * Richard Newman voices Rattlor and Lord Dactys in this installment, but is only credited for Lord Dactys during the end credits.