The Zumba Incredible Slim Down Plus Cardio Dance System includes 4 DVDs featuring an intense workout led by fitness instructor Dennis Gansel. This box set offers a combination of cardio and dance exercises in NTSC video format with English, Latin, and Spanish subtitles. With a PG rating and a run time of 3.5 hours, this DVD set is perfect for those looking to follow along to the Zumba franchise for a slimming and fitness regimen. The DVDs are in Region 1 format for US and Canada playback.