Production code is 409.
This is the last episode produced in 2002.
Although those episodes aired in 2003, there were made in 2002 according to the credits. This is the last episode that were made in 2002 according to the credits.
This episode are the last four episodes that were produced in 2003.
One of Dexter's computer's voices says "Let's get ready to wrench!" This is a parody of Michael Buffer's distinct catchphrase "Let's get ready to rumble!" when announcing at sporting events.