(All times Eastern).

Training Day (CBS at 9) Frank goes on a rogue mission in the Season 1 finale. The crime drama was the final TV project for Bill Paxton, who died in February.

Saturday Night Live (NBC at 11:30) The sketch comedy show wraps a standout season with host Dwayne “The Rock” Johnson and musical guest Katy Perry.

2017 Billboard Music Awards (ABC at 8) Ludacris and Vanessa Hudgens host this year’s event, which features performances by Drake, Celine Dion, Cher, John Legend, Bruno Mars, Camila Cabello and more.

Dark Angel (WETA and MPT at 9) “Downton Abbey’s” Joanne Froggatt plays Britain’s first female serial killer, Mary Ann Cotton, in this two-hour film.

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Call the Midwife (WETA and MPT at 8) A wedding is quickly put together in the Season 6 finale.

Madam Secretary (CBS at 9) Elizabeth struggles to land crucial support from an ally in the Season 3 finale.

Shades of Blue (NBC at 9) Season 2 ends with two episodes, which find Harlee and Wozniak taking desperate measures to clear their names.

Elementary (CBS at 10) Holmes and Watson pursue an elusive criminal in the Season 5 finale.

— Bethonie Butler