I couldn’t believe it when I saw this trailer for the first time – a movie with that many hilarious celebs that isn’t a Valentine’s Day spinoff? Sounds too good to be true. Seth Rogen, James Franco, Jonah Hill, Jay Baruchel, Danny McBride, and Craig Robinson… In other words, all the regulars necessary to make a film perfect for the massive crowd that adored Superbad, Knocked Up, Pineapple Express and other incredibly successful comedies.

Better yet are the other names that have been mentioned: Mindy Kaling, Rihanna, Michael Cera, even the Backstreet Boys. And (cough) if you haven’t watched the trailer, do it now: Emma Watson has a cameo. What more could you ask for? [WARNING: RATED R.]

The only solid details we get from the trailer are that: