TMDb/Big Little Lies Celebrity Big Little Lies Season 3 is finally on track. Get the latest update on filming starting this fall for the award-winning HBO drama's return. March 23, 2026 AceShowbiz - Big Little Lies fans have been eagerly awaiting news about the show's return, and now there is an update on its highly anticipated third season. After a three-year wait since the season 3 announcement, production is expected to start this fall, signaling progress for the beloved HBO drama.