I’VE lost track of how many times my six-year-old daughter Sam has watched “High School Musical” and “High School Musical 2″ in all their different versions (original, What’s What, Sing-Along, etc.) on the Disney Channel and on DVD, and I can tell you that all she’s waiting for is October to watch “High School Musical 3: Senior Year” in the movie house.

Yup, unless you’ve been hiding under a rock or aren’t a parent, you know that the highly successful Disney Channel Original Movie is going to the big screen this October. Needless to say, I expect this movie to be a big hit — it’s just a question of how big. Judging by Sam and her friends and classmates, a lot of kids and young people absolutely love the “High School Musical” series, as well as “Hannah Montana” and, lately, “iCarly.”

Here’s a look at the “High School Musical 3″ trailer courtesy of TV Guide’s YouTube channel.