Cast members have gathered in the U.K. as production gets underway. Here's what you need to know about the next installment.

Grab your magnifying glasses. "Enola Holmes 3" is officially on the way at Netflix.

Mary Parent, Ali Mendes, and Alex Garcia are producing Enola Holmes 3 for Legendary Entertainment, with Millie Bobby Brown and Bobby Brown producing for Brown’s production company PCMA Productions. Jake Bongiovi and Isobel Richards will executive produce for PCMA.