Adding Videos In Unity (URGENT)

I make AI videos outside of unity with a program called alice. i convert them into avi and or mp4 formats. unity lets me import the video but a cant put it in the game, i have a sort of tv type thing in my game. What do i do, should i convert the video to a different format. HELP!!!!!

You need Pro Version. Movie Texture is what you need to look up if you have it. http://unity3d.com/support/documentation/ScriptReference/MovieTexture.html

EDIT: Fixed my typo above.