Stereoscopic video players (free and paid): How to play 3D movies and cartoons on PC

PowerDVD 10 Ultra - DVD, Blu-Ray, MKV, FLV,.... mutlimedia player.

• Convert DVDs and videos into lifelike 3D experience
• Immerse in amazing depth and realism with Blu-ray 3D playback
  CPU/GPU acceleration for smooth playback.
• Lossless HD audio quality for maximum enjoyment
• Play broad range of video formats: MKV, FLV, 3GP, and more
• Make movies social: share bookmark reviews and live comments

I used autodetection for the 3D display of HP Envy 17 3D Notebook, didn't have to do any manipulations to make my active shutter glasses to work. Side-by-side as well as top-over-bottom .MKV 3D movies, .MVC 3D demo videos, 3D Blu-Ray movies and cartoons played just fine.
Highly recommended!