Watch your favorite Videos directly on the Wii or Wii U Console:

The transcoding tool "Wiideocenter" has been updated to version 0.5.0 which fixes some minor bugs and adds preliminary Wii U support.

Just download the programm and run it on your PC where all the files are stored. Using the built-in browsers of the consoles you can use it, to transcode all your Videos and watch them on the TV or on the Wii U Gamepad.

Get it here:
https://sourceforge.net/projects/wiideocenter/

Enjoy ;-)