Watch Manhattan Episode 1 HD Full Free on SolarMovie. Watch Manhattan tv series online free. In 1943 Los Alamos, New Mexico, a team of government scientists is working on the top-secret Manhatt...In 1943 Los Alamos, New Mexico, a team of government scientists is working on the top-secret Manhattan Project in a race to produce an atomic bomb before the Nazis. Meanwhile, their families adjust to life on the military base.