!!Film Series

* BTeamSequel: Creator/LouisLeterrier who directed or co-directed the first two films (co-directed the first with Corey Yuen[[note]]Letterier is credited as artistic director with Yuen credited as director in the non-French release, while Yuen is credited as action director with Letterier credited as director in the French release[[/note]] before being the sole director of the second), wasn't involved in the third or fourth films. Justified for the third one as he was busy directing ''Film/{{The Incredible Hulk|2008}}'' at the time.
* ChannelHop: After [[Creator/TwentiethCenturyStudios 20th Century Fox]] released the first two films internationally, the international rights would later be under Creator/{{Lionsgate}} for the third film and franchise owner Creator/EuropaCorp (which handles the French distribution rights) for the fourth film.
* DevelopmentHell: ''Refueled'' was set to start a new film trilogy but despite doing moderately well at the box office, critics weren't favourable towards it, thus the planned fifth and sixth instalments have been on hold as a result along with sexual assault accusations against franchise creator Creator/LucBesson and the financial troubles at Creator/EuropaCorp that resulted from ''Film/ValerianAndTheCityOfAThousandPlanets'' bombing.
* DyeingForYourArt: Matt Schulze lost a significant amount of weight to make Wall Street look more strung out.
* GayPanic: In the original conception of the movie, Frank was gay. The love scene with Shun Qi was added specifically to draw attention away from any potential remaining vestiges of that aspect in the script.
* SequelGap: ''Refueled'' came out seven years after the third film.
* StarMakingRole: This is the film that made Creator/JasonStatham one of the big action stars of today.
* TheOtherDarrin:
** Creator/EdSkrein replaced Jason Statham as Frank in ''Refueled'' after negotiations for the latter to reprise his role broke down.
** Chris Vance plays Frank in the TV series instead of Statham.

!!TV Series

* RealSongThemeTune: The opening theme is a remixed version of Music/{{Rush|Band}}'s ''Working Man''.
* RoleReprise: François Berléand reprised the role of Inspector Tarconi fron the films.

!!Franchise-wide

* MultipleLanguagesSameVoiceActor: The films and the TV series were made in English language, and François Berléand dubbed himself in French.
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