Wikimedia Commons/The Testaments Hulu TV Discover major changes in Hulu's The Testaments adaptation vs. Margaret Atwood's book, including altered timelines, character arcs, and plot expansions. May 2, 2026 AceShowbiz - The Testaments on Hulu draws from Margaret Atwood's novel sequel to The Handmaid's Tale, but the TV adaptation introduces several notable changes from the book.