During her romantic barn encounter with Toby, the slave girl Maggie's hands reveal an expensive-looking manicure.
Toby escapes from Mr. Reynolds, and wakes to snow that appears to be foam. It drips off onto the blanket and sticks to his hands without melting.
According to the story's timeline, the Akan and Kunte Kinte discuss running north to the safety of the abolitionist movement in the late 1700's. The abolitionist movement was a fringe movement until the early 1800s.
When Janelva gets out of the bed after sleeping with Toby/Kunta, she can be seen to be wearing modern panties.
When Fiddler is playing for the outdoor party, he looks in the direction Toby has fled. The large mountain in the background is in California, not Virginia.