Battle Beneath the Earth is currently streaming on Tubi

Battle Beneath the Earth (1967)87 minScience Fiction, ThrillerRating 45/100

An American scientist uncovers a plot by the Chinese army to install a system of tunnels underneath major U.S. cities rigged with atomic bombs.

Cast: Kerwin Mathews, Viviane Ventura, Robert Ayres, Peter Arne, Al Mulock, Martin Benson, Peter Elliott

Director: Montgomery Tully