'The Better Sister' Bosses Break Down That Shocking Finale Fight Sequence and How They Crafted the Adaptation Over 5 Years

Note: This story contains spoilers from "The Better Sister" Episode 8. "The Better Sister" showrunners took their time crafting their adaptation of Alafair Burke's best-selling novel - five years to be exact. The Prime Video series, starring Elizabeth Banks and Jessica Biel, follows the two estranged sisters' chaotic reunion after the man they both loved has been murdered. After spending half a decade with these characters, co-showrunners Olivia Milch and Regina Corrado said they sometimes brought up elements that even Burke had not thought of. "We get a little bit more time . . .