Syfy dramas have cornered the market on wacky places. “Warehouse 13” houses civilization’s most mysterious and legendary relics. “Eureka” takes place in a town of geniuses, and “Haven” (9 p.m.) is the most peculiar place in the quirky state of Maine — or at least Stephen King’s version of his home state.

Last season, FBI agent Audrey Parker (Emily Rose) traveled to Haven on a relatively humdrum investigation, and all heck has been breaking loose ever since. Lucky for her, she has the help of Nathan (Lucas Bryant), a local cop whose sheriff father just exploded in a paranormal accident, and of the local bad boy Duke (Eric Balfour).

As season two begins, Audrey and Nathan come across a pretty woman with a gun and a badge claiming to be FBI agent Audrey Parker. Things get stranger still when the new Audrey appears to know deep, dark, unspoken secrets from “real” Audrey’s past and the two women start finishing each other’s sentences. It’s a good thing for Audrey-Audrey that she/they have some distractions, such as a series of biblical plagues descending on the tourist island. There’s nothing like thousands of dead frogs falling from the sky and pummeling your car’s rooftop to take your mind off your troubles.

• Tonight marks the series finale of “Friday Night Lights” (7 p.m., NBC). The acclaimed series wraps up with a 90-minute episode that includes a game with big stakes and many personal choices with life-altering consequences.

At a time when television programming has become a question of marketing to specific genders and niche demographics, “Friday Night Lights” tried to tell the great American small-town story with a curious indifference to TV trends. It artfully and audaciously combined sports drama with soap opera in ways that apparently alienated fans of both genres.

As a result, it reached only a minuscule audience of devoted followers. The same could be said of other memorable series, movies and novels.

Ten years from now, people will be discovering “Friday Night Lights” for the first time and wondering why they don’t make great shows like that anymore.

Tonight’s other highlights

• A wayward bullet sparks an anti-police riot on “Flashpoint” (7 p.m., CBS).

• A brash immigrant (Al Pacino) conquers a drug market only to lose his life in the hyper-violent and influential gangster film “Scarface” (7 p.m., AMC). The dialogue in this film is so extremely profane that the dubbing for basic cable adds an awkward touch of unintentional comedy.

• A shirtless Harry Hamlin pleases and defies the gods in the 1981 fantasy “Clash of the Titans” (8 p.m., BBC America), co-starring Laurence Olivier, Claire Bloom and Maggie Smith.

• Missing sailors need help on “Whale Wars” (8 p.m., Animal Planet).

• Blood on the fashion runway on “Blue Bloods” (9 p.m., CBS).

• The community raises funds for a cure on “Swamp Loggers” (9 p.m., Discovery).

• Jack mulls vulnerability on “Torchwood” (9 p.m., Starz).