The wraparounds of Peter hosting are similar to such anthology story shows as Masterpiece Theater.
Stand By Me
Roy Scheider suggests a catch-up with Richard Dreyfuss but is offended when Richard Dreyfuss gives him a phone number with the prefix 555, which is widely used as a fictitious number in TV shows, films and other media.
The scene of Stephen King getting run over at the start of "Misery" emulates his habit of inserting himself into all of his movies since Maximum Overdrive. It is also a reference to the real life incident in 1999 in which King was struck by a minivan while walking down the shoulder of a road in Lovell, Maine.
The scene in the Warden's office when the lamp is knocked off the desk is taken from Caddyshack.