Marc Baur

A computer with highly advanced Artificial Intelligence begins to kill in order to preserve its existence, after it is deemed too inefficient to continue controlling the workings of an office building.

A Pennsylvania highway construction worker in rural Pennsylvania is mysteriously drawn into an underground tunnel filled with human remains. When it appears that the disappearance is not an isolated incident, the team travels to the scene to search for evidence. Meanwhile, Walter attempts to simulate travel between realities on frogs.

Inmates blackmail a brilliant inventor jailed for murder to get his secret invention. With Ralph Waite and Roddy Piper.