"Orphan Black" (BBC America)

BBC America's beloved science fiction series, which explores the moral dimensions of human cloning, takes its genesis from Canada, where it debuted in 2013 before reaching U.S. viewers. Also hailing from Canada is series star Tatiana Maslany, who has collected numerous nominations and awards for her work on the series. It's an acting job that requires her to play streetwise hustler Sarah Manning and multiple other characters including a suburban housewife, a police detective and more.

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"The Good Wife" (CBS)

Fans of Julianna Margulies remember her fondly for her role as Carol Hathaway on the popular NBC series "ER." But she's cultivated a whole new following as Alicia Florrick in CBS' legal drama, where Margulies adeptly portrays a modern working woman in all her complexity. Her bold, commanding work has resulted in numerous acting nods, and the show and cast remain contenders for major awards every year. This should come as no surprise: Mixing crime, mystery and romance with issues like law and politics, the series is as edgy as it is relevant.

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"Transparent" (Amazon)

There can be no denying that Amazon's "Transparent" is helping to facilitate discussion and understanding about transgender issues in American culture. The series follows the lives of the Pfefferman family as it negotiates the complexities and consequences of a parent's disclosure about her identity. The comedy drama was widely celebrated after it debuted in 2014, nabbing a slew of awards and praise from critics and viewers. Jeffrey Tambor earned Emmy and Golden Globe wins for his masterful and nuanced portrayal of Maura Pfefferman, a retired college professor who finds the strength to introduce her real self to her three children.

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"Justified" (FX)

Based on an Elmore Leonard short story, "Justified" follows the fortunes of Raylan Givens (Tim Olyphant), a tough U.S. Marshal who is reassigned from Miami to his childhood home in rural Eastern Kentucky. There, he dispenses a 19th-century brand of justice to feuding family clans and other criminals in tiny Harlan County. All the while, Givens has to confront ghosts from his past that include former lovers, a childhood friend gone bad, and a father with a crime record of his own.

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"Teen Wolf" (MTV)

Loosely based on 1985's Teen Wolf, MTV's version, which debuted in 2011, offers a darker, more brooding retelling of a familiar story. Tyler Posey, who stars as awkward teen-turned-beast Scott McCall, leads a talented ensemble cast. The series is more than just a science fiction show about werewolves; it's a smart exploration of the challenges adolescents face in transitioning into adulthood — with, of course, a couple of supernatural hurdles to overcome, as well.

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