Janet's documentary will air on back to back nights Friday and Saturday night.Photo: Getty Images North AmericaThis Friday January 28th is the premiere of Janet Jackson's documentary. It will debut on Lifetime and A&E and you can stream it as well on those apps. But what if you do not have those networks? You can sign up for a free three to seven day trial on Sling TV and Philo. Janet's documentary will air on back to back nights Friday and Saturday night.