Opens with the quote, "But for the pit confounders, let them go, and find as little mercy as they show!", by the English poet John Dryden.
First appearance of Alexis Denisof, who has a background in sci-fi/supernatural TV series such as Buffy the Vampire Slayer and Angel.
The scene where the worker is going down the manhole. Painted in silver next to the hole is a number containing triple six...You know something bad about to happen!