As you all know, Now Or Never will premiere this Friday in Radio Disney (use iTunes to listen to it if you don’t have Radio Disney at home) at July 11th at 7:15 pm ET, 4:15 PT. Also, here’s another HSM3 preview with Zac Efron and Vanessa Hudgens for the exclusive look of the movie. Watch for that one as well.

And about the trailer, the trailer for High School Musical 3: Senior Year will premiere @ 7:55PM ET/PT on Sunday, July 13, on the Disney Channel. The online launch kicks off on Disney.com July 14 @ 12:01AM ET. If anyone who can record this from the TV, we would appreciate it if you could send it over. For capturing purposes.

“We’re paying homage to the fans by debuting our first look on the very network that launched the franchise,” said Mark Zoradi, president, Walt Disney Motion Pictures Group. “‘High School Musical’ is a worldwide phenomenon and as such, it is important to pursue a nearly simultaneous launch of the first look to fans everywhere, employing our online venue, Disney.com, as well as our international Disney Channels and Jetix platforms.”

Hosted by Zac Efron and Vanessa Hudgens, and including the song “Now or Never” from High School Musical 3: Senior Year, the trailer features all new footage from the highly anticipated movie, which is slated for release Oct. 24, 2008.