September marks two decades since the release of Nirvana's third – and final – studio album and as is often the case with these things, it's getting the full reissue treatment.

You can expect a lush, deluxe package similar to Nevermind's re-release two years ago. Before we get the full details of the new version of In Utero , we have this extremely surreal trailer for it.

It finds Kurt, Krist and Dave, apparently all pregnant and in drag, attending an antenatal class with Bobcat Goldthwait of Police Academy fame.

Watch below...