The Jeselnik Offensive 10:30 p.m., Comedy Central
Anthony Jeselnik’s show returns for a second season, with standup, sketches, games, and pop culture riffs in the “Best Worst Thing of the Week” segments. Guess what? Jeselnik is not politically correct; he’s also only intermittently funny. Jeselnik wrote for “Late Night With Jimmy Fallon” and made his breakthrough on the Comedy Central roasts, like his former girlfriend, Amy Schumer.
Swamplands USA 8 and 9 p.m., Animal Planet
You know how sometimes you just want to space out, or check out, or geek out? Well here’s an opportunity to pretty out, as Animal Planet takes us on a tour of the flora and fauna of some wetlands with cool names. In the first hour, it’s the Okefenokee Swamp on the border of Georgia and Florida, and in the second hour it’s the Atchafalaya Swamp in Louisiana.
Now, Voyager 8 p.m., TCM
Sail thou forth, smokers.
Dexter 9 p.m., Showtime
“The Brain Surgeon”? No, “The Melon Baller.”
Property Envy 10 p.m., Bravo
Sigmund Freud Real Estate.Matthew Gilbert can be reached at email@example.com. Follow him on Twitter @MatthewGilbert.