This is the first time the storyline of Dahak and his daughter Hope is introduced on Hercules.
At 9:07 Hope says "Things change, things stay the same" which is the translation of the French saying "Plus ça change, plus c'est la même chose" attributed to Les Guêpes, January 1849.
When Ares says " No guts, no glory" he is quoting Air Force Major General Frederick Blesse from 1955.
At 11:08 Iolaus aaks "Is the world supported on the backs of four elephants?". Hindu and Chinese mythology suggest that those four elephants are standing on the back of a giant tortoise.