Jorge Cham, creator of the celebrated PhD Comics, sits down to talk with Daniel Whiteson and Jonathan Feng about dark matter (and visible matter!). But rather than a dry and boring video of the encounter, he cleverly illustrates the whole conversation.
Dark Matters from PHD Comics on Vimeo.
I think it's an exaggeration to say we have "no idea" about dark energy -- physicists like to say this to impress upon people how weird DE is, but it gives the wrong impression because we actually do know something about it. But not much!