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 is set to premiere in 2019. The entire main cast will return with the addition of Meryl Streep. All seven episodes are being written by Kelley and directed by Andrea Arnold.
Based on the above text, what's the best answer to this question: is big little lies just a mini series?
no