First reference of the "Bay Harbor Butcher."
First appearance of Keith Carradine as Special Agent Frank Lundy.
Here Keith Carradine plays Frank Lundy, an FBI expert in hunting serial killers. He also played another Frank, Frank Breitkopf, who was on the other end of the spectrum - "the most prolific serial killer ever found" - on Criminal Minds (No Way Out (2007)).
"Waiting to Exhale" is a 1995 American romance film directed by Forest Whitaker (in his feature film directorial debut) and starring Whitney Houston and Angela Bassett. The film was adapted from the 1992 novel of the same name by Terry McMillan.
The colorful doll Cody is seen playing with when Dexter just had a fight with Rita, is a matryoshka doll or babushka doll which is a Russian nesting doll, a set of dolls of decreasing sizes placed one inside the other.