Watch Underground (2011) HD Full Movie Free on solarmovie.do. Watch Underground (2011) online free. A group of friends fight for their lives against the lethal and ravenous creatures lurking beneath t...A group of friends fight for their lives against the lethal and ravenous creatures lurking beneath the Earth's surface. The group finds themselves at the mercy of creatures genetically engineered by the military to be expendable in battle. Though they fought countless battles in Iraq, these friends never knew real fear until they went underground.