Jazz Jackrabbit is one of the earliest products released by what was then known as Epic MegaGames, better known these days for producing the Unreal engine. It was viewed initially as being a pastiche of the Sonic the Hedgehog games was and arguably developed along those lines, bearing much of the same fast platformer action.
This run completes all the extra episodes (A-C). There is also a run of the original game available.
Commentary subtitles and WebM encodes are available on the archive.org page for this run.