Tea and Cookies in Houdini is a two part commercial tutorial in Houdini, going through all the steps of the scene's creation.
Digital-Tutors Announces New Tutorials for Maya, ZBrush and Houdini
Digital-Tutors have released new introductory tutorials for Maya 2016, ZBrush 4R7 and Houdini Fluids.
Houdini for Games - Frima Studio
See how Frima Studio use Houdini to generate content for their games.
Houdini Demo Reel 2014
Side Effects Software has released the 2014 Demo Reel featuring the work of Houdini customers worldwide.