Trivia: Brooke Adams, Tony Shalhoub's real-life wife, has appeared on the show 5 times. In S1 as Leigh the flight attendant Monk drives crazy in "Mr. Monk and the Airplane"; in S3 as Mrs. Carlyle in "Mr. Monk and the Kid"; in S5 as Sheriff Butterfield in "Mr. Monk Visits a Farm"; in S7, again, as Leigh the flight attendant in "Mr. Monk's 100th Case"; in S8 as the crazy cat lady in "Mr. Monk and the Badge."
Goodbye (1) - S2-E4
Trivia: The first episode to air following John Ritter's death, it was filmed without a laugh track or live studio audience.
Trivia: Nathan Fillion, Gina Torres, Adam Baldwin, and Alan Tudyk all later played villains on Joss Whedon's other Mutant Enemy productions: Fillion appeared as Caleb in the final five episodes of "Buffy the Vampire Slayer," while Torres played Jasmine in season four of "Angel" and Baldwin played Marcus Hamilton in season five. Tudyk played Alpha in "Dollhouse".
Forever Red - S1-E34
Trivia: This episode featured an appearance by every Red Ranger, with the exception of Steve Cardenas, who played Rocky in series 2, 3, and 4.
Trivia: Julius Caesar was married three times, not twice. His second wife (whom he divorced because of her alleged involvement in a religious scandal) was never mentioned in the miniseries.
Trivia: Sam mentioned an old case from 1999. In the German dubbed version, it's from 1990 (even in the German subtitles it's 1999). Obviously the missing nine years takes to long to fit into the mouth movements. (00:11:10)
Trivia: When Delia is getting on the bus and meets Irv for the first time, she's wearing only a light jacket. They filmed in Canada and said it was very cold. The crew and cast were all freezing and Vivien Cardone (Delia) says she hated doing that scene because of the weather. They later moved filming to the Utah because of the weather.
Trivia: The season five episode "Independence Day" featured Chris Bruno's brother Dylan. The episode itself was Chris' first time as a director.
Trivia: The fuel station features metal miniblinds in several scenes. These did not become available until the early 1940s and would aluminium be diverted from airplane production to blinds?
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.