"High School Musical: The Musical: The Series: The Special" takes viewers to the 2005 set of Disney Channel's original "High School Musical" movie.
The special includes "Zac Cam" footage recorded by Zac Efron with Vanessa Hudgens, Ashley Tisdale, Monique Coleman, Alyson Reed and Olesya Rulin.
Actor Lucas Grabeel, who played Ryan Evans in the original movies, also has advice for the new cast and an announcement about the Dec. 27 episode. Plus, actor Corbin Bleu, who played Chad Danforth, and Disney Legend Kenny Ortega share their Wildcat experiences.
The special puts a spotlight on "the start of something new" by highlighting 2019 music recordings for original and new songs and the iconic locations inside Salt Lake City's East High.
The special airs will be presented as follows:
Saturday, Dec. 14
Friday, Dec. 20
Wednesday, Dec. 25
Saturday, Dec. 28
New episodes of "High School Musical: The Musical: The Series" premiere Fridays, only on Disney+.