FIRE!
(TVM 1977)
After a string of box office hits, Irwin Allen got back to his "roots" with this and "Flood!" , which was filmed the year before. The film premiered on NBC on May 8th, 1977. Starring Ernest Borgnine, Vera Miles, Patty Duke, Donna Mills, and Erik Estrada.
  A forest fire started by a convict to cover his escape from a road gang threatens a mountain community. Ernest Borgnine replaced Fred MacMurray. Later this two hour+ movie was cut to ninety minutes and put on TV's first disaster double bill teamed with Allens "
Flood!" Later, the movie was formally titled "Irwin Allen's Production of 'Fire!'"