Top Documentary TV Series – Free HD Streaming on 123Movies

Hosted by Suzanne Whang, the show takes viewers behind the scenes as individuals, couples and families learn what to look for and decide whether or not a home is meant for them. Focusing on the...

British television series which features unusual and often elaborate architectural homebuilding projects....

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only...

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry....

Museum Secrets combines surprising discoveries about things we all recognize with amazing revelations about things we’ve never seen before. Every episode travels to one of the world’s top museums to...

Follows Eric Goode’s first love, reptiles, into the dark underworld of exotic animal smuggling. He begins with the industry’s legendary founders, Hank Molt and Tommy Crutchfield, who sold some of the...

HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us. From commonplace items like ink and coffee to...

The science of living and the randomness of death are combined with a dash of Darwinism. Forensic experts, pathologists, toxicologists, herpetologists, and other experts offer eloquent explanations...

The 2025 FIA Formula One World Championship is an ongoing motor racing championship for Formula One cars and the 76th running of the Formula One World Championship. It is recognised by the Fédération...

The doors of Barnsley Accident and Emergency department are open every day. An exclusive look into what is really going on in the hearts and minds of the medical emergency teams and how they deal...

A serial killer stalks Los Angeles in the 1970s, leaving bodies on display throughout the Hollywood Hillside. After a man named Kenneth Bianchi is arrested in 1979 on the suspicion of a double...

Five girls from India's most impoverished families attend a boarding school designed to create opportunities as they strive for a brighter future....

The world remembers these missions. The people who lived them remember every second. Through firsthand testimony and never-before-seen footage, this series reveals what it felt like from the inside....

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing....

Each episode analyzes and passes verdicts on several seemingly impossible things “caught on film,” including giant beasts, UFOS, apocalyptic sounds, hairy humans, alleged mutants from the deep,...

Equipment reviews, taste tests, and recipes from the test kitchen to the home cook. A team of test cooks that viewers have come to love and trust deconstruct recipes and reveal the test kitchen’s...

Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals...

The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?...

A true crime series that takes viewers deep into some of Canada’s most infamous criminal cases. Using extensive archives and intimate family interviews, each week new details are revealed that go...

Observational documentary series following auctioneer Angus Ashworth and his staff throughout the process from house viewings to auction day as they travel around the UK looking for antiques and...