DC's Legends of Tomorrow (2016)

S02E01 Out of Time

Dr. Nate Heywood, an eccentric historian, uncovers a startling revelation. He enlists Oliver Queen’s assistance to gather the disbanded Legends. Together, they race against time to safeguard Albert Einstein from abduction as the Nazis plot to obliterate New York City with a nuclear device. Meanwhile, Ray becomes aware of Sara’s secret mission, prompting them to confront her arch-enemy, Damien Darhk.