Do you want to watch a 3D movie in 2D using VLC media player? Here's how you can easily achieve that.

1. Open VLC media player and click on the 'Media' tab in the top left corner.

2. Select 'Open File' and choose the 3D movie file you want to watch.

3. Once the movie is loaded, go to the 'Tools' tab and select 'Effects and Filters'.

4. In the 'Video Effects' tab, click on the 'Essential' checkbox and then select 'Split 3D'.

5. From the 'Viewing Method' dropdown menu, choose 'Monoscopic'.

6. Click on 'Close' to apply the changes and then play the movie.

Now you should be able to watch the 3D movie in 2D without any hassle. Enjoy your movie night with VLC!