The title "Alex Annie Alexis Ann" is likely a reference to Martha Marcy May Marlene (2011), a movie about a young woman who leaves a cult.
In this episode they say the four different versions of the girls name in the same order as they were displayed in the title, "Alex Annie Alexis Ann".
Greyston Holt plays a vampire in this episode and has a major role as a werewolf on the show Bitten (2014)
Putting the bodies of the bus company employees into the wood chipper is reminiscent of the Coen Brothers film Fargo (1996). Bobby used a wood chipper to kill an Okami in season 6's Weekend at Bobby's (2010).