long story short, in 2005 or 04 this guy went around the ign forums asking people to sign his petition demanding Hollywood make a Zelda movie animated by DiC in the style of the 80s cartoon, written by him.

Some guys pretended they were DiC's employees and asked him for the script to animate, which is how the first 2 videos were made.

the guy didn't realize they were making fun of him until they dropped the act and leaked the full script, they made a third animation as a final collaboration to end it all on good terms but the guy just started burning bridges.

pretty sure you can download an archive with all the stuff they made (that's where the dancing triangle video came from) and find the old IGN threads.