The stars of “High School Musical” — Zac Efron, Vanessa Hudgens, Ashley Tisdale, Lucas Grabeel, Corbin Bleu, Monique Coleman, Olesya Rulin, KayCee Stroh, Chris Warren Jr. and Ryne Sanborn — will once again be seen hosting special Sing-Along and Dance-Along presentations of the Disney Channel Original Movies “High School Musical” and “High School Musical 2,” SATURDAY, JUNE 20 (7:00– 11:00 p.m., ET/PT) on Disney Channel.

Beginning Thursday, June 18, fans can log on to for printable song lyrics and choreography instructions and join in the dances of “Get’cha Head in the Game,” “We’re All in This Together,” “What Time Is It” and “All for One.”

Disney’sHigh School Musical” premiered in January 2006 on Disney Channel U.S. and posted the highest ever ratings for a Disney Channel Original Movie at the time. It went on to become a smash hit internationally, airing on Disney Channels and free-to-air broadcasters worldwide. To-date, it has reached more than 290 million viewers, in over 30 languages, across 100 countries including India, China and Russia.

The “High School Musical” soundtrack was the #1 album of 2006 and the DVD was the year’s #1 TV movie on DVD. “High School Musical” also delivered licensed amateur and professional touring stage productions, a bestselling junior novel, a popular consumer products franchise at mass retailers, a themed show at Disneyland Parks and Resorts in Anaheim, Orlando and Paris, and a sold-out 42-date arena concert tour in North America and Latin America.

Its critically acclaimed sequel, “High School Musical 2,” ranks as the #1 basic cable telecast of all time (18.6 million viewers for its August 17, 2007 premiere) and thus far has been seen by nearly 300 million Total Viewers, in over 30 languages, around the world. The “High School Musical 2” soundtrack is triple Platinum and its DVD release was the top-selling TV property on DVD for 2007. Walt Disney Pictures debuted “High School Musical 3: Senior Year” in October 2008. Its premiere weekend box office sales marked the highest debut ever for a musical and for a live-action G-rated film and it grossed $250 million at the worldwide box office.