When a mass missile launching by a foreign power sets the U.S. on nuclear alert, the Seaview goes into a fail-safe maneuver, but is the launch really what it appears to be, and does this actually mean it's "doomsday?"
Elenco:
Richard Basehart
,
David Hedison
,
Robert Duvall
,
Terry Becker
,
Del Monroe
,
Paul Trinka
,
Richard Bull
,
Robert Dowdell
.