For more than a decade, renowned Harvard scholar Henry Louis Gates, Jr. has helped to expand America’s sense of itself, stimulating a national conversation about identity with humor, wisdom, and compassion. Professor Gates has explored the ancestry of dozens of influential people from diverse backgrounds, taking millions of viewers deep into the past to reveal the connections that bind us all.

The Butterfly Effect

Premiered February 25, 2025
The Butterfly Effect

Henry Louis Gates, Jr. introduces actors Debra Messing & Melanie Lynskey to ancestors who made bold decisions that forever reshaped their family trees. Moving from shtetls in Eastern Europe to a fruit stand in NY City to the wilds of New Zealand, Gates introduces his guests to relatives who took great risks, overcame enormous hardships—and unwittingly transformed the lives of their descendants.

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