Molly Ringwald explores Swedish royalty, which uncovers her ancestors' harrowing lives, and one brave immigrant who forever changed her family's fate.

Actress Ginnifer Goodwin searches her family history in hopes of connecting her father with the grandparents he never knew; she is shocked to uncover lives filled with drug addiction and life-altering consequences.

Singer Josh Groban traces his ancestry to Germany and discovers a relative who was a deacon, music teacher and well-known astronomer.

Actor Matthew Morrison explores his roots and is surprised to discover his family's ties to the Revolutionary War; he learns of the bold lengths his ancestor went through to protect his allegiances and the brutality he faced on the battlefield.

Actress Regina King investigates her maternal family tree and uncovers an ancestor who was a passionate civil rights activist in Alabama; a man who came out of slavery, endured horrific violence, but never stopped fighting for his people.

Actor Josh Duhamel travels to England to investigate the extraordinary life of his twelve times great-grandfather and uncovers a shocking, dark twist of interrogation and torture that rocks his belief system to the core.

Mandy Moore is given the opportunity to research her family tree.

Actress Jean Smart uncovers the curious tale of an unconventional ancestor in colonial Massachusetts, who got her children entangled in her own thievery ring and later faced execution when she was accused of witchcraft.

Actress Molly Shannon heads to Ireland in search of her mother's unknown family tree; her desperate ancestors were forced to choose between their faith and survival; a family legacy of bravery; meeting Irish cousins for the first time.

Actress Hilary Duff uncovers the tale of an ancestor who bravely led an American colony to battle a notorious gang of pirates; she dives centuries-deep into her Scottish roots and is shocked to discover that she descends from a heroic medieval king.

Megan Mullally explores a shocking pattern of dysfunction in her father's line; she finds her two-times great grandmother was bravely defying societal norms in order to fight for her family's survival, while struggling to hang on to her own sanity.

Actress and activist Laverne Cox pieces together the inspiring life of her African American ancestor, who challenged societal norms and bravely pushed the boundaries just years after emancipation.

Jon Cryer's journey takes him from America to Scotland as he uncovers the dramatic tale of an ancestor who survived a catastrophic battle, endured horrific conditions as a prisoner of war, and was forced to come to America as an indentured servant.

Actor John Stamos explores his Greek heritage for the first time and discovers an explosive feud that shattered his grandfather's childhood, and also hears firsthand about his family's enduring strength after meeting a relative he never knew.

Motown legend Smokey Robinson tracks down a grandfather tangled in a swirl of controversy, and connects to a relative's familiar struggle with oppression while coming face to face with the gruesome history he knew was inevitable.

Jessica Biel hunts for the truth behind family lore about the death of an ancestor, and also makes two shocking discoveries that shake everything she knows about her heritage.

Noah Wyle investigates his maternal family line, discovering an ancestor who was catapulted into one of America's biggest wars, and whose life spiraled from remarkable success to a tragic end.

Jennifer Grey discovers more about her grandfather as she uncovers how he survived adversity to become a beacon of his community, and discovers a great-grandmother whose devastating tragedy stopped her from making it to America.

Julie Bowen makes a shocking discovery that a beloved relative led a nefarious organization that triggered a dark chapter of U.S. history; another ancestor risked everything to fight for the lives and freedom of African Americans.

Courteney Cox traces her maternal line back to ambitious and ruthless relatives who plotted and murdered their way to power in medieval times, and she's shocked to discover that her ancestor is one of Europe's most famous characters.

Lea Michele unravels secrets of her Jewish roots, discovering a great-grandmother lost without a country.

The world's talented yet undiscovered performers of all ages -- singers, dancers, magicians, comics, musicians, ventriloquists and more -- appear before celebrity judges who decide which contestants move on in the competition each week. With the guidance of the show's host, the audience learns the backstories of these amazing people as they strive to make it to the finale, in which one talented performer wins a life-changing $1 million prize -- as well as viewers' hearts. The season also includes the return of memorable acts, and extraordinary performers from previous seasons return to the stage to compete in hopes of taking home the first-ever winter title of AGT Champion. Favorite contestants from other international Got Talent franchises, spanning 184 countries across the globe, also join the fray, showing off their talents for a whole new audience.

This documentary series strives to give its audience the inside scoop on Tinseltown's hottest dishes, ranging from behind-the-scenes tension on hit shows to the real dirt inside a current tabloid scandal. The list of celebrities profiled on the show include Drew Barrymore, Johnny Depp, Robert Downey Jr. and Britney Spears.

Professional dancers pair with celebrities to train and compete in ballroom dancing, receiving guidance from of a panel of experts along the way.

Her actual name is Sandra Lee, but she is so popular in her field of dermatology that she is known by most people as Dr. Pimple Popper. In 2015, Dr. Lee began to provide a window into her job by filming dermatological procedures -- some quite gruesome, like blackhead extractions and cyst dissections -- and posting them to her website and across other social media outlets. Lo and behold, the content has been viewed by millions of people, who now have their own designation -- Popaholics. Now comes a reality show on TLC, which says Lee is a "celebrity who has pioneered the fastest growing medical fascination in decades."

Long-distance relationships have challenges that are sometimes difficult to overcome but consider if the distance traveled was halfway around the world and a couple had just 90 days to decide whether the courtship should conclude with marriage. That's the situation facing the men and women profiled in this series, which shares the complexities of international romances. Using a visa that allows foreign fiancees of American citizens to travel to the U.S., the men and women experience life in the States with their prospective mates for the first time. Culture and language barriers must be overcome -- not to mention the stigma of being thought of as mail-order spouses -- but here's the elephant in the room: The couples must marry before the visas expire in 90 days, or else the visitors have to immediately return to their countries. With the clock ticking, these couples discover if their "happily ever after" is meant to be.