I didn't know that this animatic existed until recently. I only learned about it because it's listed on TVTropes as it's presence here is rather down-played. So my question is: Do we consider it canon or not?
That's not to ask if we should update the wiki to treat it as such (although it should be mentioned a bit more). But the scene in question simply gives us another round of the Golden Fist Tournament. Addionally, it shows Ben learning how to use Mole-Stache's powers which is helpful for giving context to the alien's subsequent three appearances.