Big Little Lies is an American drama television series based on the novel of the same name by Liane Moriarty. Created by David E. Kelley, it premiered on HBO on February 19, 2017. The seven-episode first season was written by Kelley and directed by Jean-Marc Vallée. Despite being originally billed as a miniseries, HBO renewed the series for a second season. Production on the second season began in March 2018 and it premiered on June 9, 2019. All seven episodes were written by Kelley and directed by Andrea Arnold.