The Chronicles of Riddick is a science fiction series, spanning a number of films and video games. "The Chronicles of Riddick" is also the title of the second film in the series. The series follows the exploits of the character Richard B.
Riddick and the universe in which they take place. The critical and commercial success of the series has been mixed. The first film of the series involved Riddick being transported to prison in a cargo spacecraft.
When the spaceship is damaged in the wake of a comet and makes an emergency crash landing on an isolated desert planet, Riddick escapes. However, when predatory flying alien creatures begin attacking the survivors, Riddick joins forces with them to escape the planet. After the release of The Chronicles of Riddick, this film was renamed The Chronicles of Riddick: Pitch Black.
Since then all other media in the series has borne the "Chronicles of Riddick" branding. Into Pitch Black is a Sci-Fi channel special which aired before Pitch Black, and was about lawmen investigating Riddick's past as well as an investigation into the crash of the Hunter Gratzner (the spaceship from Pitch Black). It is a rarity now, and is only available on Region 2 copies of the Pitch Black DVD.
It shows several inconsistencies with the official storyline, and might be possibly retconned by the other movies and video games.