what is the longest running tv series in history

Graysen Grimes is consumed by grief over his late wife, leading the family nanny, Caitlin, to believe she'll become the next Mrs. Grimes. While Graysen is away, Caitlin moves her relatives into the mansion. She seizes control of Graysen Group, running the company into the ground. When Graysen discovers the betrayal, the shock makes him collapse—he's hospitalized. While he's unconscious, Caitlin even kidnaps his only daughter Janessa... After regaining consciousness, Graysen exposes Caitlin's deception. In retaliation, she secretly works with rival corporations to sabotage his business. In the end, justice prevails—Caitlin lands in prison while Graysen Group makes a triumphant IPO.

Carol, a part-time food delivery worker who lost her mother, coincidentally helped the grandfather of Denton's wealthiest man. Later, this elderly gentleman tried to fix his grandson Nigel up with Carol. In order to repay the debts left behind from her mother's medical treatment, Carol agreed to marry Nigel for the sum of $200,000. Nigel, pressured by his grandfather, entered into the marriage reluctantly and hid his identity from Carol. However, their feelings for each other gradually grew as they started living together. Yet, Nigel's concealed identity remained a ticking time bomb in their relationship. Events such as Nigel's mother visiting their home and the party hosted by Nigel's group further fueled Carol's suspicions about Nigel's true identity, leading to a series of tense yet comical situations.

Carol, a part-time food delivery worker who lost her mother, coincidentally helped the grandfather of Denton's wealthiest man. Later, this elderly gentleman tried to fix his grandson Nigel up with Carol. In order to repay the debts left behind from her mother's medical treatment, Carol agreed to marry Nigel for the sum of $200,000. Nigel, pressured by his grandfather, entered into the marriage reluctantly and hid his identity from Carol. However, their feelings for each other gradually grew as they started living together. Yet, Nigel's concealed identity remained a ticking time bomb in their relationship. Events such as Nigel's mother visiting their home and the party hosted by Nigel's group further fueled Carol's suspicions about Nigel's true identity, leading to a series of tense yet comical situations.

Village doctor Shannon Lewis worked hard to pay for her fiancé Nathan Hardin's college education, only to discover that he had already married another woman in the city.Heartbroken,Shannon cut ties with Nathan. During this time,she accidentally saved the life of a pursued mafia boss,Kyson Pearson, who fell in love with her at first sight and proposed to her. Though ruthless and decisive in his dealings outside, Kyson became an obedient and doting partner at home. Through a series of near-exposures and sweet, amusing interactions, Shannon fell in love with Kyson and eventually learned about his true identity. Meanwhile, Nathan's wife, Paige, fearing that Shannon would continue to pursue her husband, schemed against her at every turn. In the end, Nathan and Paige paid the price for their selfishness and mistakes.

By chance, Tessa, an emergency room nurse, saved Victor, a dangerous and charming gang boss, but was strongly targeted by him. He was closing in on her, and she was running for her life—until fate tore away her last hope. Her brother was dying, and the sky-high medical bills were crushing her. Victor narrowed his cold eyes and said, "Be my woman, and I'll save him." She was forced to sign a marriage contract. She resisted his world but indulged in his protection and tenderness. When she found out that the mysterious man who saved her on the rainy night five years ago was actually him, the boundary between hate and love completely collapsed...

Stella Hart, once a wealthy heiress, is lost and taken in by her foster mother, Serena Cook, who arranges a betrothal between her and her son, Jason Vale. After Jason suffers an accident, Stella sells herself to a childless couple to save him. However, once the couple adopts her, they later have twins and decide to abandon her. Stella’s grandmother, unable to bear her suffering, takes her in and cares for her with great love, leading a life of mutual dependence. Meanwhile, Jason and his mother work tirelessly to find Stella, and eventually, Jason becomes the president of a publicly listed company. On the other hand, Stella faces a series of misfortunes, including betrayal and mistreatment by a man she thought she loved. When Jason finally finds Stella, the person he has cherished since childhood, he vows to make up for all her suffering. As their story unfolds, Stella’s true identity gradually reveals itself, and they eventually reunite, with true love prevailing in the end.

After losing her parents, Anna was taken in by Mrs. Kane—her mother’s closest friend—and grew up alongside the Kane brothers, Gordy and Jonathan. The two boys were stars of their school's hockey club, while Anna became their manager, always cleaning up their messes and keeping everything running smoothly. For years, the three were inseparable, perfectly in sync both on and off the ice. But everything changed when Katie, the school beauty, set her sights on Anna’s position. Through carefully plotted schemes and whispered lies, she framed Anna for mistakes, drove a wedge between her and the brothers, and slowly turned them against her. Humiliated and heartbroken, Anna grew distant from Gordy and Jonathan. Eventually, she gave up and transferred to another school, where she met hockey star Ethan and became his manager instead. Only after she was gone did the Kane brothers begin to see the truth about Katie—and by then, it was far too late.

Tansy West, the eldest daughter of the West family, escapes her political engagement to Edric Byrd, the eldest son of the Byrd family, by running away during the engagement party and disguising herself as a man. In her escape, Tansy accidentally becomes Edric's bodyguard. As they spend time together, they develop feelings for each other. However, Edric, originally biased against his fiancee, mistakenly believes he has fallen for his male bodyguard, causing much humorous confusion. Tansy helps Edric deal with his malicious stepmother and his scheming younger brother. She attends a gathering in her female guise, where her brother and parents recognize her. To ensure the couple's marriage proceeds smoothly, both sets of parents knock them out and send them to the wedding venue. The male lead's younger brother is captivated by Tansy's beauty and wishes to marry her himself. During another escape attempt, Tansy and Edric discover each other's true identities. Edric begins to acknowledge his feelings for Tansy, and they confess their love for each other. With her help, Edric successfully defeats his father, regains control of the Byrd Group that rightfully belongs to his mother, and lives happily ever after with Tansy.

Natalia is the daughter of Alpha,as the wolf in the prophecy, she is chased by many forces, to protect her, her father asked her to leave the pack and headed to New York so she could be safe there, two years later,the danger still existed, but her father thought it was time and he asked Natalia to come back and marry Blake Hunter, Alpha of another pack,he believed that Blake could protect Natalia after their marriage, their packs would be union. Natalia never liked Blake,but she would do what her father said for her pack, however she also learned that another powerful pack is rising, the Alpha of the pack is mysterious and ruthless, what would happen if she found out that the ruthless Alpha was her mate? The forces who were chasing Natalia's power didn't stop, what would she do to protect herself and her pack?

After a one-night stand with Hank Frazer, Sibyl Bealor became pregnant and gave birth to twins. Her cousin Elina bribed the doctor to tell Sibyl that one twin didn't survive, but secretly gave the baby to Hank's stepmother, Yildiz Sue. Years later, Sibyl, raising her son Shane, met Hank, who is raising his son Yuri, on a blind date. Due to a mix-up, they took home the wrong child. What a tangled web! Let's see what happens next!

When a disagreement arises between the CEO and his wife, what happens when a sales director becomes entangled in the situation?

After getting married, for three years, he was mocked as a useless, dependent, penniless loser. But what they didn't know was that if he revealed his true identity, the entire world would be at his feet.

Nicholas Lowe is abandoned by his girlfriend for dressing plainly and looked down upon by everyone around him. However, his true identity is far beyond what any of them could ever aspire to reach.

To save her dying mother, heiress Selah Keith is forced into an arranged marriage while enduring brutal mistreatment from her own family. She accidentally crosses paths with the powerful and dangerous Elliot Hudson from a prestigious family, leading to their impulsive flash marriage. What starts as mutual convenience becomes a game of seduction as they each get what they need from the arrangement. While Selah secretly plots revenge against her toxic relatives, Elliot dominates the elite circles while fiercely protecting his wife. Together they uncover hidden family secrets,destroy their enemies, and save her mother, transforming their transactional relationship into true love in this addictive blend of revenge and romance.

Stella finds herself drawn to her enigmatic boss, Richard Collins, just as her childhood crush and estranged husband, Cooper, suddenly reappears. Torn between the irresistible allure of a dependable CEO and the ghost of a haunting old flame, what choice will she make?

After being diagnosed with cancer, Sarah decides to divorce her loveless husband. One night, overwhelmed and drinking alone, she crosses paths with John, the CEO of Glasdon Group. What begins as a chance encounter blossoms into true love, and the two ultimately find happiness together.

Yuna Sanders' world shattered when she discovered her husband's infidelity. Seeking solace, she made a reckless decision, and what began as a fleeting escape from heartbreak quickly escalated. The other man became dangerously obsessed, pulling her into a world of nightly encounters.

After being betrayed and killed by her beloved husband and best friend, Madelyn was reborn. When she returned to life, she completely awakened to the truth and embarked on a journey of revenge. In her quest for justice, she transformed from a victim into a powerful heiress, determined to take back what was rightfully hers.