Carole King: Natural Woman (9 p.m., UNC-TV) – Rare home movies, performances and photos help illustrate the life and career of singer-songwriter Carole King, from 1960s New York to Los Angeles in the 1970s to present, in this “American Masters” documentary.
Also on tonight . . .
The Vampire Diaries (8 p.m., CW) – Pregnancy complications threaten Caroline’s life, prompting Stefan and Valerie to take extreme measures.
Hawaii Five-0 (9 p.m., CBS) – Danny’s mom is questioned by the FBI, and McGarrett works with a young autistic man who might be able to help solve a murder.
Million Dollar Genius (10 p.m., History) – The premiere of a new series about ordinary people who invented million dollar products.
Bluegrass Underground Special (10 p.m., UNC-TV) – Highlights from five seasons of “Bluegrass Underground” feature established musicians as well as rising artists covering bluegrass, jam band, rock, net-folk and Americana genres.