ENCORE! - A one-hour musical television special, �"Encore!,” will premiere on The ABC Television Network, SUNDAY, DEC. 10 (10:00-11:00 p.m. EST). (ABC/MATT PETIT) KRISTEN BELL Photo

From: Photo Flash: First Look - Kristen Bell's Theater-Themed ABC Special ENCORE

ABC will premiere the one-hour musical event special ENCORE on SUNDAY, DEC. 10 (10:00-11:00 p.m. EST). In the show, executive producer Kristen Bell, who also appears, reunites the cast of a high school musical and asks them to perform it again twenty years later.