Timeless (2016): Season 2, Episode 3

2 - 3: Hollywoodland

When a Rittenhouse sleeper agent in 1941 Hollywood steals the only copy of Citizen Kane, Lucy, Wyatt and Rufus team up with Hedy Lamarr to get it back. Hedy Lamarr turns out to be not only a glamorous movie star but also a scientific wizard whose discoveries led to the invention of Wi-Fi.