when is castiel introduced in supernatural

Sky Fenton and Geoffrey Mooney were childhood sweethearts who promised to marry each other. When they meet again as adults, both have changed their names and don't recognize each other. Yet fate brings them together, leading to a series of amusing encounters. As they fall for each other again, both hesitate due to their childhood promise, not realizing they're actually falling for the very person they promised to marry.

Susan Todd, heiress of the wealthy Todds, was abducted as a child and subsequently rescued by Hans Lawson. In gratitude, she marries Hans, who is now the CEO of Lawson Group. Hans has been searching for the little girl with whom he made a marriage pact back then. Unaware that Susan is the one, Hans forces her to divorce, only to be overcome by regret when Susan reveals her true identity later on.

When deliveryman Ken accidentally saves mafia boss Elle, she falls for him instantly and begins a relentless pursuit. Caught in schemes by his fiancée Susan’s family, Ken faces chaos—including a wedding hijacked by Elle. Later, a plot causes Ken to lose his memory, and with further schemes from the Capone family, he and Elle must overcome danger and conspiracies to reclaim their love and happiness.

Bryanna's poor boyfriend cheated on her with her best friend and plotted to sell her to human traffickers. However, fate intervenes when Bryanna mistakenly marries the company's CEO instead of the old man... With a marriage at hand and a grandmother pushing for blind dates, the CEO decides to make the best of it by marrying Bryanna. Initially a transaction of convenience, however, later both of them unexpectedly invest their true feelings...

Five years ago, waitress Willow Shelby spent a night together with a drugged CEO, Marcus Ives, and bore his heterochromatic twins. When their unusual eyes spark suspicion, Willow and her sons face humiliation, expulsion, and kidnapping. Marcus rescues them, exposes his fiancée’s scheme, and reunites the family. In the end, love and justice prevail, promising a future full of happiness.

Wanda Nord and her family were enjoying hotpot when a gas explosion changed their lives. She awakens as the villainess in her own CEO romance novel—and her parents and brother are now the wealthy family in the story. To survive, they try to appease the heroine, Stacy Langdon, while Wanda, holding the “script,” cleverly avoids every crisis, transforming into the story’s heroine, and finds love with Yale Lake.

Burdened by her father’s debt, Seoyoon ends her relationship with Leejun through a painful lie. While chasing after her, Leejun is nearly killed in an accident. Years later, Seoyoon is raising their child alone, while Leejun returns in triumph. When their paths cross again, old wounds, hidden truths, and unresolved feelings flare back to life, upending everything they thought they’d left behind.

Charles had once risked his life to save Cheryl, only to watch her devote everything to an imposter.Heartbroken and disillusioned, he turned away and married an ambitious beauty, returning to the pinnacle of power. When Cheryl finally recognized the scar on his shoulder—the one he'd earned saving her—she also saw the glaring wedding ring on his finger."What a pity, Cheryl," he said faintly. "You're too late."

Lauren Turner is a werewolf who is struggling to contain the crazy wolf inside of her. But her life starts to change and gets even more complicated when the powerful Alpha, Sebastian Ashford, forces Lauren into a contractual marriage. Lauren and Sebastian must deal with the ramifications of their false nuptials alongside the constant threat that their identity will be discovered by the humans. But little does Lauren know, that Sebastian’s true reasons for entering into this contract may be the biggest threat of all.

Quinci once faked an affair and left Hadley after her father's imprisonment. Six years later, she was a struggling single mother with a critically ill son and crippling medical debt. When they met again, Hadley—now the heir to a fortune—mistook her for a gold digger and scorned her at every turn. Only after learning the boy was his own son did he uncover the truth, leaving him shattered with remorse.

One day, while feeding fish, Yvette accidentally fell into the pond and discovered a life-shattering truth: She had no blood relation with her parents or her five brothers. She was nothing but the Stewart family's false heiress! Faced with the certainty of losing everything, Yvette decided to stop struggling altogether and just enjoy life before being kicked out. But when Harriet, the true heiress, finally returned, her brothers shielded Yvette behind them, pleading, "Harriet, let her stay.She's... not exactly sharp. It's too dangerous for her out there aloneOne day, while feeding fish, Yvette accidentally fell into the pond and discovered a life-shattering truth: She had no blood relation with her parents or her five brothers. She was nothing but the Stewart family's false heiress! Faced with the certainty of losing everything,Yvette decided to stop struggling altogether and just enjoy life before being kicked out. But when Harriet, the true heiress, finally returned, her brothers shielded Yvette behind them, pleading,"Harriet,let her stay.She's... not exactly sharp. It's too dangerous for her out there alone."

In her past life, Lady Alexia of House Hubbard had it all - until Prince Jaxon and her own sister Jazmin's betrayal left her corpse cooling in a deserted manor, her entire lineage extinguished. Reborn with vengeance in her heart, she makes a calculated alliance with the 'Crippled Prince' Yoric. But when assassins ambush her palanquin, the supposedly paralyzed prince does the unthinkable - he stands, for her...

After losing his parents, Conrad Nord is taken in by the three Lowe sisters—each with her own charm and growing affection for him. They make him promise to marry one of them when he grows up. But their peaceful life unravels with the arrival of Harvey Scott, whose innocent facade wins the sisters' trust.Consumed by jealousy, Harvey frames and endangers Conrad,forcing him to face the painful truth of where their hearts truly lie.

Chris Leif gave up his family inheritance to become a stay-at-home husband for his wife, Queenie. When Queenie's first love,Nathan,returned to the country, her family began to look down on Chris. Pushed to his limit, Chris chose divorce and started a new life. Only then did Queenie and their daughter realize how remarkable Chris truly was—but it was too late to win him back.

Once a feared underworld lord, Eddie chose a quiet life. Four years later, she returns—Nora Olson, a stunning CEO, holding a child—and shatters his calm world: ‘She’s yours. Marry me, and be her father.’ A flash marriage. Family betrayal. Corporate war. And just when she needs saving most, the richest man alive calls her new husband… son!

After suffering aphasia from a car accident, Heather Phillips is devastated when her husband William Manning asks for a fake divorce to appease his mistress. Taking him at his word, Heather makes it real. Sebastian Hart, heir to the Hart Group, flies back immediately upon hearing the news and proposes to Heather. She leaves with him without looking back, leaving William filled with regret.

Betrayed by her stepbrother Edward and left to die with nothing but regrets, Celeste Welsh gets a second shot at life. This time? She's playing for keeps. Revenge against Edward is at the top of her list—but things get complicated when love unexpectedly walks in. Now, she's juggling payback and passion, determined to live this life with no regrets. Sweet, fierce, and unstoppable, Celeste is rewriting her story…

After Reanna lost her parents, Stefan Shawn became her guardian. Though feared by many for his ruthless nature, Stefan had one exception—Reanna. He indulged her every whim, once declaring, 'Nothing comes before my girl.' Even when she stirred up trouble or picked fights, Stefan would only smirk with pride and say, 'That's my Reanna, my rose.'