Showtime in January will air a new documentary series about comedian Bill Cosby directed by comedian W. Kamau Bell.

The docuseries, We Need to Talk About Cosby, debuts Jan. 30 on Showtime, a week after it premieres at the Sundance Festival. The four-part series takes an in-depth look at the revolutionary career and personal descent of one of America’s most famous comedians. 

Bell (CNN’s United Shades of America) explores the complex story of Cosby’s life and work, weighing his infamy as a criminal defendant in a sexual-assault prosecution against his indisputable global influence through interviews with comedians, cultural commentators, journalists and women who share their most personal, harrowing encounters with Cosby, according to the network.

“Kamau has bravely ventured into a very complicated and nuanced area of the Bill Cosby story, which has yet to be explored in this depth,” said Showtime executive VP of nonfiction programming Vinnie Malhotra. “It’s an important and under-reported perspective on the legacy of one of history’s most iconic African American entertainers.”

Added Bell: “As a child of Bill Cosby, I was a huge fan of all his shows and wanted to be a comedian because of him. I never thought I’d ever wrestle with who we all thought Cosby was and who we now understand him to be. I’m not sure he would want me to do this work, but Cliff Huxtable definitely would.”

We Need to Talk About Cosby is executive produced by Bell, Andrew Fried, Katie A. King, Dane Lillegard, Jordan Wynn and Sarina Roma. ■

The season six premiere episode of HBO’s Game Of Thrones was the most discussed TV show on Twitter Sunday, according to Nielsen.

The fantasy series drew 376,000 tweets, easily besting Univision’s Nuestra Belleza Latina, which drew 58,000 tweets, reported Nielsen's Twitter TV ratings. 

AMC’s zombie-themed series Fear the Walking Dead was third most tweeted show for the day, followed by ABC’s Once Upon A Time and CNN’s new series United Shades Of America.

ABC’s live telecast of the Golden State Warriors-Houston Rockets National Basketball Association first round playoff game was the most social sports show of the day, garnering 264,000 tweets, said Nielsen.