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