When does Shangri-La return?

Shangri-La is a four-part television documentary miniseries, directed by Morgan Neville and Jeff Malmberg, that aired on Showtime from July 12 to August 2, 2019. The series concerns Rick Rubin and his Malibu recording studio and its owner, record producer and Def Jam Records co-founder Rick Rubin. A "work-in-progress" cut of the docuseries screened at the 2019 SXSW Festival.