The stars ofHigh School Musicalare still all in this together.
Zac Efron will also appear in a pre-taped message to fans.
The original soundtrack became the No.
Credit: Disney Channel
The cast took to Twitter on Saturday to share their excitement over the reunion.
Oh the feels, Tisdale tweeted.
Get ready because were back celebrating the 10th anniversary.
Disney Channel
The special will air Jan. 20 at 8 p.m.
ET on Disney Channel.
