All five viral marketing clips of River Tam’s security tapes have been released, as far as we know. Check these out:
1st released: R. Tam – Session 416 – Second Excerpt
2nd released: R. Tam – Session 1 – Excerpt
3rd released: R. Tam – Session 22 – Excerpt
4th released: R. Tam – Session 165 – Excerpt
5th released: R. Tam – Session 416 – First Excerpt
Site with various links to all of them, in different formats, plus FAQ: www.session416.com
No spoilers, these scenes do not appear in the movie. They are damn creepifying, though. Comments on the movie board suggest there are four in all so they may be more coming.