High School Musical co-stars Vanessa Hudgens, Ashley Tisdale, Corbin Bleu, and Monique Coleman are reuniting for the 10th anniversary of the beloved franchise.
The quartet will join other former castmates for the Disney Channel get-together, which will air on Wednesday (20Jan16).
Zac Efron won't appear alongside his ex-girlfriend Hudgens and their co-stars for the reunion, but he has recorded a message for fans.
High School Musical was Disney Channel's highest-rated programme when it debuted as a TV movie in 2006. It spawned two sequels and the soundtrack became a bestseller.