It tells of the events before the film, in which monster hunter Gabriel Van Helsing travels to London to investigate a series of horrific, and decidedly supernatural murders, being committed by the mad scientist Dr. Jekyll, in the form of his evil alter-ego, Mr. Hyde.
- Original title: Van Helsing: The London Assignment
- Release date: May 11, 2004
- Status: Released
- Genres: Action, Animation, Fantasy, Horror
- Runtime: 0h 30min
- Producers: Universal Pictures