Notable movies that explore the theme of slavery:

1. 12 Years a Slave (2013)
   Directed by Steve McQueen, this film is based on the true story of Solomon Northup, a free Black man who is kidnapped and sold into slavery.

2. Django Unchained (2012)
   Directed by Quentin Tarantino, this film follows a freed slave, Django, as he teams up with a bounty hunter to rescue his wife from a cruel plantation owner.

3. Amistad (1997)
   Directed by Steven Spielberg, this historical drama centers on the legal battle surrounding the 1839 rebellion on the Spanish slave ship La Amistad.

4. The Birth of a Nation (2016)
   Directed by Nate Parker, this film is based on the true story of Nat Turner and his 1831 slave rebellion.

5. Roots (1977, 2016 miniseries)
   Based on Alex Haley's novel, this miniseries traces the history of an African man, Kunta Kinte, who is enslaved and his descendants over several generations.

6. The Butler (2013)
   Directed by Lee Daniels, while not solely focused on slavery, this film depicts the journey of Cecil Gaines, an African American man who served as a butler at the White House during pivotal moments in U.S. history, including the Civil Rights movement and the aftermath of slavery.

7. Glory (1989)
   Directed by Edward Zwick, this film tells the story of the 54th Massachusetts Infantry Regiment, one of the first African American units in the Civil War, formed after the abolition of slavery.

8. Slave (2012)
   Directed by Lisa Immordino Vreeland, this documentary looks at the legacy of slavery and its effects on modern society.

9. Bastille Day (2016)
   While not directly about slavery, it touches on themes of rebellion and oppression that were prevalent during the time of slavery.