'Genius: MLK/X' First Look: Watch Kelvin Harrison Jr. as Martin Luther King, Jr. (Exclusive)

In ET’s exclusive first look at National Geographic's 'Genius: MLK/X,' Kelvin Harrison Jr. portrays a young Martin Luther King, Jr. in powerful church sermon. The series follows the early years and accomplishments of both civil rights leaders, Dr. Martin Luther King, Jr. and Malcom X. 'Genius: MLK/X' premieres Feb. 1 on National Geographic.