The NCIS Naval Criminal Series Seasons 1-20 DVD Set is a comprehensive collection of the popular TV series set in the world of crime investigation. With a focus on the drama genre, this DVD set includes all 20 seasons of the show, featuring a stellar cast including David McCallum, Lauren Holly, Mark Harmon, and Michael Weatherly. The set is formatted in NTSC video format with English subtitles, making it compatible with Region 1 DVD players in the US and Canada. Released in 2021, this DVD set offers fans of the show a complete viewing experience of the NCIS series. Seasons 1-15 are region 2 season 16 is region 4 and seasons 17-20 are region 1. But all discs are in good condition.