Part 1 Roots: The Saga of An American Family - S1-E1
Other mistake: During the voyage aboard the Lord Ligonier, none of the African captives have shaved nor had haircuts during the long voyage across the sea, but they are clean-shaven and their hair the same length when they berth in Annapolis as when they were first loaded aboard ship in Africa.
Part 1 Roots: The Saga of An American Family - S1-E1
Other mistake: Where is the light in Kunte/Toby's slave cabin coming from? There are no candles or lantern, and electricity hadn't been invented yet. Obviously studio lighting.
Part 1 Roots: The Saga of An American Family - S1-E1
Other mistake: During the long voyage aboard the Lord Ligonier, Kunta Kinte, the Wrestler, and the other African captives are bald, have short hair or no facial hair that would have grown out during their time at sea.