A look at the hunt for California’s Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early ’70s.

Amateur chefs compete in this Canadian version of the reality-cooking series.

Jump in the cab with some of the men and women behind the wheel of monster road trains and reveals what life is really like on the wide-open road. Highly dramatic, often humorous, Outback Truckers reveals the true blue heart and soul of Aussie trucking.

King of the Nerds is the ultimate nerd-off. The series follows fierce competitors from across the nerd spectrum as they set out to win $100,000 and be crowned the greatest nerd of them all. King of the Nerds takes the glory of geekdom to a whole new level as the competitors live together in “Nerdvana.” Each week, they must face challenges that will test their intellect, ingenuity, skills, and pop culture prowess. One competitor is eliminated each week until one nerd stands alone as the ultimate champion of all things nerdy.

BigFixAlaskachroniclesthewildadventuresofafullservicemastermechanicshopthattakesonhigh-riskjobsacrossthefrozenTundra.Riskinglifeandlimboneveryjob,thischarismatic10+manteamofAlaskaroughnecksbravetheelementsandworkaroundtheclockrepairingsupermachinesundertheharshestconditionsandinthemostremoteplacesintheworld.Danger,riskandincredibleskill,aresomeoftheattributesthesepremiermastermechanicsputtothetestrepairinganythingandeverythingwithanengine.Theyarespecialistsofadifferentbreedandcanfixthingsfromastrandedcrabboatsinthemiddleofthebearingseatomulti-million-dollarcranesfrozentotheearthneartheNorthPole.Withaconstantworkschedule,highstakesand24-hourservice,thereisneveradullmoment

Explore one of humanity’s most primal and destructive emotions – hate. At the heart of this timely series is the notion that if people begin to understand their own minds, they can find ways to work against hate and keep it from spreading.

The medieval period gave us some of the greatest, most enduring stories in history. Some are of them were real – some are altered into pure Legend. These legends usually had somebody doing villainous deeds. The even greater thing is that most of these were surrounded in mystery or conspiracy. Medieval Murder Mysteries uses modern thinking from historical police criminology combined with forensics and human osteologists blended with current historical ideas to try and solve what really happened all those years ago. Magnificent castles, chivalrous knights, powerful kings and queens? You’ll have them. Also require dark deeds, illicit lovers, greedy nobles, mad cardinals? Look no further. They’re all here.

Although these twins share the same genes, they will never share the same jeans as living together was more tolerable when they just shared a womb. The free-spirited, vegan-loving, live-and-let-live lifestyle of Brie and Bryan has always clashed with the fancy panache of the designer handbag-loving Nikki and the meticulously organized tendencies of John. However, when the four world-renowned WWE Superstars move in under one roof, the comical clash of titans rings all throughout the suburbs of Tampa, Fla.

Meat lovers, rejoice! Michael Symon is taking a summer road trip to taste the best of the American classics: burgers and barbecue. Whether it’s mouthwatering, mile-high cheeseburgers or slow-smoked, fall-off-the-bone ribs, Michael is going to eat and meet his way through some of the best all-American spots to get your grub on. And what better way to wash it all down than with local beers and brews, sure to make any meal a perfect 10. So, get ready to get full, because you don’t want to miss the delicious flavors of Burgers, Brew & ‘Que.

There’s no such thing as “a regular day” at Denver’s Planned Pethood Plus veterinary clinic. For 80,000-plus clients and their pets, the clinic and its maverick ER vet Dr. Jeff Young represent one last hope and possibly the difference between life and death.

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Kylie Jenner welcomes viewers to her unfiltered world of fame, fortune, relationships and empire.