At 1:15 Hercules says "... love is in the air" which is the title of a song recorded by John Paul Young in 1977.
At 1:30 Aphrodite states "A rose by any other name would smell as sweet" also spoken by Juliet in William Shakespeare's Romeo and Juliet. She even describes Iolaus as Romeo.
At 35:00 Aphrodite calls Discord "Elvira", a reference to Cassandra Peterson's cult character Elvira: Mistress of the Dark.