Always a standout in whatever she’s in, comedy and cabaret star Bridget Everett is the focus of the endearing new series “Somebody Somewhere” (HBO, 10:35 p.m.) about a woman trying to fit into her Kansas hometown, fitting into its own merry band of weirdos. Jeff Hiller is great as a high school friend who draws her out of her shell. 

Jessica Chastain narrates a two-part documentary series on the iconic star in “Reframed: Marilyn Monroe” (CNN, 9 p.m.) which includes interviews with Ellen Burstyn, Amber Tamblyn and Mira Sorvino. It concludes next week.

The new documentary series “The Real Murders of Atlanta” (Oxygen, 8 p.m.) looks at homicides that have been occurring on the city.

“Yellowjackets” (Showtime, 10 p.m.), which raised its profile as its first season continued, has its finale.

A third season starts for the historical drama “Britannia” (Epix, 9 p.m.).

Also back is the horror anthology “Two Sentence Horror Stories” (CW, 9 p.m.). 

“The Righteous Gemstones” (HBO, 10 p.m.) look into the patriarch’s past. 

On “All Creatures Great and Small” (PBS, 9 p.m., check local listings), James asks Helen to the spring dance. 

Oskar and Max widen the search for murder evidence on “Vienna Blood” (PBS, 10 p.m., check local listings).