Meet the Spartans (2008)

When Xerxes (Ken Davitian), the evil god king of Persia, sends his massive army to Sparta, King Leonidas (Sean Maguire) and 13 strapping warriors rise up to defend their homeland.The first battles are of the hip-hop variety, and taking position at the narrow Thermopylae pass provides a huge strategic advantage, but a goat trail back-door is betrayed to Xerxes.