Snake Salvation 9 p.m., National Geographic
With this new series, National Geographic is going to trigger a rash of symbolic dreams every Tuesday night. It’s about two Pentecostal preachers in Appalachia who handle snakes as part of their church services. Nope, I definitely can’t handle that and I’m not going to watch. As Valerie Cherish used to say on “The Comeback,” “I don’t want to see that.”
Frontline 9:30 p.m., Channel 2
The great documentary series looks at assisted suicide, the not-so-secret secret. In “The Suicide Plan,” filmmakers Miri Navasky and Karen O’Connor talk to people who are choosing to end their lives, the activists who help others die, and the officials and activists who are trying to stop the practice.
I Hate My Bath 10 p.m., DIY
Said every 4-year-old ever.
Sons of Anarchy 10 p.m., FX
My Big Fat Revenge 9 p.m., Oxygen
It gets thinner.Matthew Gilbert can be reached at email@example.com. Follow him on Twitter @MatthewGilbert.