The first official trailer for the long-awaited Pearl Jam documentary “PJ20” has appeared online.

The new trailer features cameos from cult film director David Lynch and Soundgarden’s Chris Cornell.

You can view the trailer by visiting Pearl Jam’s Vimeo site here.

The film, directed by Cameron Crowe, whose other works include ‘Jerry Maguire’, ‘Almost Famous’ and the cult grunge relationship movie ‘Singles’, will make its debut at the Toronto Film Festival in September and will be followed by a limited theatrical release.

‘PJ20’ will also be shown in the US on the PBS channel on Friday October 21st.