The films will include interviews with those closest to the stars, as well as archive footage and dramatisations.
However, who will actually play the musicians in the scripted sequences has not yet been announced, reported Digital Spy.
"Freddie Mercury: The Great Pretender Revealed" will explore the late Queen frontman's life in 1986, a year that changed the course of his life.
Meanwhile, "Karen Carpenter: Goodbye to Love" will look at The Carpenters' success and the 1970s, peeling behind the public image to explore the singer's battle with anorexia and her relationship with her brother.
Meanwhile, Ben Whishaw is rumoured to be playing Mercury in an upcoming biopic, after Sacha Baron Cohen pulled-out.