The character Locus, whose name means "a particular place, point or location" leads Hercules to a location he seeks.
Mythologically, the centaur who taught all the great heroes was Chiron or Cheiron.
There is a chance a character "Gnoxious" whose name is name is pronounced "noxious" which means harmful, poisonous, or very unpleasant.
The antagonist of the episode is Cassius. This was also the name of a Roman senator involved in the plot to assasinate Julius Caesar.
This is the first episode in which Hercules fights against centaurs. This requires a new battle strategy. Edit - Hercules killed the Centaur Nessus in the 4th movie. He also fought against them in Season 1 - episode 6 'As Darkness Falls'.