When does Untitled Frank Sinatra biopic series return?

Sinatra was one of the most popular entertainers of the 1940s, 1950s, and 1960s. He is among the world's best-selling music artists with an estimated 150 million record sales. Sinatra forged a highly successful career as a film actor and singer. He led a colorful personal life and was involved in turbulent relationships, including his second marriage to Ava Gardner.