We are not sure of the release date for Mananabas. It was released at the box office on 2001-10-15 so we estimate it was released to DVD in January 2002.

Mananabas on IMDb Action

Director: Cesar Montano

Cast: Cesar Montano, Daniel Fernando, Josephine Canonizado, Rommel Montano, and Boy Vibar

A group of prisoners was secretly commissioned by Gen.Torre to fight those who intend to destabilize the government. And after successfully ridding the system of scalawags, they were promised that their records will be cleared as well as reinstatement in the police service. After the media questioned the existence of the group, the general decides to get rid of them by execution. The group found out about this and decided to fight back.