The Guardian - S1-E5
Trivia: Stan Lee makes a cameo describing the Division's operative as being like a superhero. (00:07:00)
A Knight In Shining Armor - S1-E1
Trivia: When the bad guys first enter Graiman's garage, the original Firebird KITT can be seen from the original series.
Trivia: A number of in-joke Dr. Who references crop up throughout the series pilot. A group of doctors and scientists are introduced as Hartnell, Troughton, and Baker; there's a business card for I. M. Foreman in Totters Lane; and the cover of a science magazine sports headlines such as "Time and Relative Dimension in Space" and "Playing the Game of Rassilon."
Trivia: At the beginning of this episode, after the Crypt Keeper causes the mirror to break, he mentions that he just bought seven years of bad luck. This show lasted for seven years.
Trivia: Spooks does not have actor credits at the end. The Internet Movie Data Base even lists the lead actors as 'uncredited' for many seasons.
Trivia: As Frank is running up the stairs in the FBI, just before he meets Peter you can see "Mulder and Scully" walking down the stair case - this is in fact David Duchovny and Gillian Anderson's stand-ins, but they do look a lot like them.
Trivia: Camryn Manheim uses sign language with her client, played by Marlee Matlin. Before becoming an actress, Camryn Manheim actually worked as a sign language interpreter and job trainer/placement specialist for the deaf. She also used her sign language skills in an episode of "Law and Order" called "Benevolence," where she portrayed a defense attorney for a deaf man accused of murdering his girlfriend.