The title Porkules first appeared in the previous outing Yes, Virginia, There Is a Hercules (1998) as a suggested spin-off from The Legendary Journeys.
When Autolycus first puts on Hermes' sandals, he spins and says "Stop the crazy thing" - a quote from The Jetsons (1962) opening.
At 33:00 Colchis says "Little pig, little pig, let me in, or I'll huff, and I'll puff, and I'll burn your house down" which paraphrases a famous line from the fable of The Three Little Pigs.
At 38:00 Autolycus says "Anytime, Anywhere" which is the name of Rita Coolidge's sixth album released in 1977.
Katherine says "I got a bad feeling about this place." Variations of this same line, which was made popular by Star Wars, appear frequently in the Xenaverse.