Missi Pyle's real voice is used when she sings, "After You've Gone". She sang for years, even before she was an actor and has a great voice.
Fictional actor Raymond St. James is mentioned, who appeared in the season 2 episode "Beyond Our Control".
Going to commercial break, an arrow sign reading "Ovoid Quarantine" and a 40's truck labeled "Frederic Transportation Inc" can be seen.
While looking for the missing Oliver Carson, Pete spots the alias Anthony Pitt Rivers in a hotel registration book. The Pitt Rivers is a famous archaeological museum in Oxford, England.