A two-night, four-hour look into Janet Jackson‘s life and career is arriving this month. A&E and Lifetime announced a premiere date for the first part of Janet, the pop star’s upcoming documentary, along with a new, extended trailer released on Jan. 1. Part one of Janet will air on Jan. 28 at 8 p.m. ET/7 p.m. CT. “It’s just something that needs to be done,” Jackson says of the project in the three-plus minute clip that debuted via social media on New Year’s Day. Explore See latest videos, charts and news Janet includes exclusive archival footage, home videos and celebrity interviews — with stars like Missy Elliott, Whoopi Goldberg, Mariah Carey and Ciara, who are all seen talking about the icon in the new trailer. The sneak peek shows Jackson looking back at her childhood and early day...