when is castiel introduced in supernatural

Gabe White's birthday becomes a tragic turning point when his wife, Wendy Green, and their daughter, Jane White, are involved in a car accident with Nora Yale, who also plans to celebrate Gabe's special day. Gabe arrives at the scene as a doctor but makes a shocking decision—he chooses to save Nora and her son, Randy. Tragically, Jane succumbs to her injuries, and Gabe dismisses Wendy's anguish as irrational jealousy, even contemplating divorce. As their marriage crumbles, Nora, harboring a secret agenda, manipulates the situation to drive a wedge between the couple. Her interference escalated into a full-blown disruption at Jane's funeral until the police took her away. The unexpected find of Jane's file at the hospital sends shockwaves through Gabe. His realization of Jane's death comes too late, leaving him tormented by regret and loss.

Grace Smith's father, Lucas Brown, brings his illegitimate daughter Sophia Brown into the Smith family using a fake paternity test and falsely claims that Grace is not their biological daughter. Grace's birth mother, Helen Smith, never doubts this deception and even tortures and mistreats Grace for Sophia's sake. Sophia schemes to have Grace sleep with a homeless man, but unexpectedly, Grace encounters Eric Moore, a powerful figure in the city. When Grace has nowhere to turn, she seeks Eric's help after discovering she is pregnant with his child. They have a flash marriage, and from then on, Grace enjoys a life of being doted on by her wealthy in-laws while getting revenge on those who wronged her.

After years of cultivation, Zoey was struck by lightning—only to wake up inside a novel as the pitiful girl whose fate had been stolen. Faced with the Stuart family's cruelty, she fought back with her fists—and accidentally ended up with a virtuous fiancé. Using her spiritual powers, she uncovered the mastermind behind the Fox family's misfortunes and suddenly found herself pampered beyond belief.

Salesman Frederic Lindsey ran into Yuliana Jenkins, who rejected a marriage alliance, and they pretended to be dating.Yuliana found a lot of artifacts in Frederic's home, and then Frederic's cousin Wendy Leander exposed his identity as the heir of the richest man in Sagaret. After having been through a lot together, Frederic and Yuliana fell in love and decided to stay together.

A cruel twist of fate tore Jaxon and Yvette apart. She walked away carrying his child, raising the little one alone. Five years later, tragedy struck—her child's life hung by a thread. The system gave her only one way to save him: endure a hundred wounds from Jaxon. For their son Alex, Yvette swallowed her pride and stepped back into his world. Now, with the tally already at ninety‑seven, the final blows are drawing near…

Nancy, an ordinary university student, saved the blind tycoon Yale. Since then, they fell in love and promised to stay by each other's side.However, due to their social status gap, Nancy was forced to leave. Before leaving, she donated her cornea to Yale and gave birth to a girl named Nancy and a boy named Norman. Six years later, Nancy lived a tough life to raise the two kids. In order to save her daughter who was ill, she had no choice but to go to Yale for help. While treating their daughter, Nancy and Yale went through misunderstandings several times. But in the end, they were back together to support each other for the rest of their lives.

In his past life, musician Zack Shelley was framed by his adopted brother Zed Shelley and fiancée Ruby Lewis, left disabled after seven days trapped in a mudslide, and died betrayed by his own sisters. Reborn on the day of the disaster, he is determined to survive and reclaim his stolen life. Despite Zed's efforts to sabotage rescue attempts, Zack endures six grueling days and escapes. He exposes Zed's plagiarism at a pivotal piano competition, but his sisters, Flora and Luna, turn against him even more. Heartbroken, he severs ties with his family. With the help of business titan Whitney Lynd, he defeats Flora in a public contest and unmasks Zed at a high-society banquet. By the time his sisters overhear the truth, it's too late—Zack has already moved on, ready to start a new life abroad, leaving his past behind for good.

Anna Poole had faced hardships since childhood. While trying to resolve a company crisis with her good friend, Serene Cox, Anna was drugged and sold to Mr. King. After Anna injured Mr. King and escaped, she ended up in the room of another man, Zach Howl, who was also under the influence of an aphrodisiac. As a result, they unexpectedly became intimate. As soon as Anna regained consciousness, she decided to confront Serene and accidentally overheard a conspiracy between Serene and the supposedly deceased Bryan Lane. Outraged, Anna confronted Serene, who injured her and caused a fire to start. In a life-threatening situation, Anna was saved by Waver Taylor, who had just returned to the country. Ten months later, she gave birth to twins, and one of them was taken away by the Browns. Along with a doctor, the Brown mother and daughter falsely claimed that the child died to suffocation.

Sophie Lee, the adopted daughter of the Lee family, loses her fiancé to her sister. By a twist of fate, she marries retired Captain Yale Zeller. In the midst of small-town life, their marriage of convenience grows into true love, as they face life's ups and downs together.

Brilliant but penniless top student Lucia Gray carries a secret list of names she swears to take revenge on. With the help of her best friend Megan Cole, she sets her sights on Sebastian Duvall, the most powerful man in Northvale.Every move she makes is calculated, every word carefully chosen.Yet in this dangerous game of strategy and desire, it is Sebastian who finds himself drawn in—captivated by Lucia's intelligence, and falling for her one step at a time.Across the chasm of wealth and status, the two clash, conquer, and ultimately discover something far greater than victory—an unexpected, all-consuming love.

Once, everyone admired May White. She was loved, protected, and wrapped in happiness, but one day, her life suddenly collapsed. Her tutor, Sara Milton, happened. It led to May's father's betrayal, brother's death, and mother's madness. That woman destroyed everything. May discarded her name and reappeared before Sara as "Amy Black." Hidden behind her smile was the revenge she planned for 20 years. Now, it's your turn to suffer.

After being publicly humiliated by her childhood crush and his new girlfriend, Eliana Lindsey drowned her sorrows in alcohol, only to stumble into the wrong hotel room. Mistaking Elijah Jenkins, who was much older than her, for a hired host boy, she spent the night with him. A month later, an unexpected pregnancy turned her world upside down. Just as she felt overwhelmed by the surprise of twin babies, Elijah showed up with a grand marriage proposal and an astronomical bride price. As Eliana hesitated over the prospect of becoming a stepmother, she discovered that Elijah wasn't just a billionaire CEO, but also the father of her vicious rival! While others flaunted their family wealth, Eliana held the ultimate trump card: her enemy's dad.

While helping her sister Liza Seatter escape an abusive relationship, Zoey Seatter encounters mercenary Adrian Morris and his brother Franklin Morris.Zoey has a one-night stand with Adrian and discovers she’s pregnant a month later. Just as she’s about to terminate the pregnancy, Adrian appears and proposes marriage, bringing both Zoey and Liza home to live with them. Under the same roof, Zoey gradually wins over Adrian’s heart, while Franklin slowly falls for Liza. After surviving a jewelry store robbery, attending prenatal classes, and dealing with Liza’s abusive ex, the four of them finally find their happily ever after.

Right before their marriage, Margot Reid’s scumbag boyfriend cheated with her best friend. Fueled by resilience, Margot took control of her life and decided not to marry him! Upon their unexpected reunion, the scoundrel belittles her, mocking her as a mere dumpling seller. With a playful smile, Margot brings out her newly recruited assistant. The scumbag is left dumbfounded—a once proud billionaire CEO now reduced to the position of a subordinate and husband to his ex-girlfriend, stripped of power and influence?

Luke Carl, a member of the newly established Customer Harassment Special Task Force (commonly known as Special C), led by the government and the ruling party, carried the memory of his mother, who took her own life due to customer harassment. Determined to eradicate customer harassment nationwide, he continuously imposed sanctions on ill-behaved customers, shielded by the law. However, one day, he struck the son of the Opposition's secretary-general. The Opposition, aiming to overthrow the government, labeled it "excessive self-defense" and tried to portray Luke as a national villain. What would become of Luke, who not only lost his job but also was on the verge of losing his social standing?

Riley Miller heads to the bank to withdraw some cash, only to have the ATM swallow her card—thanks to an unhelpful customer service clerk. Her frustration deepens when she discovers that $10,000 has mysteriously vanished from her account. Just when she feels helpless, the malfunctioning ATM suddenly goes haywire… and starts spewing out money like there's no tomorrow.

Tim Judd, a top tycoon, disguises himself as a delivery man. One day, while delivering an order, he accidentally walks in on Cora Bale while she's taking a shower and ends up being chased out by security. His son, Jack, thinks Tim is just goofing off and doesn't take any job seriously. When Tim makes a delivery the next day and meets Cora again, he helps her resolve a company crisis with ease, changing her impression of him. Although Tim may be slightly older, he proves to be quite reliable. Impressed, Cora asks him to be her fake boyfriend.

Kyle Cooke believes he and Sara Wood are a loving married couple—five years of marriage as proof of their happiness.However, when he goes to the city hall to replace their coffee-stained marriage certificate, he’s shocked to discover the system shows him as “unmarried,” while Sara’s spouse is registered as another man—Noe Gibson. This discovery unveils a brutal truth: Kyle once caught Sara in an intimate moment with Noe, but she begged forgiveness claiming she was “looking for a stand-in,” even threatening suicide. After learning of her determination to “never let him find out,” Kyle’s heart dies completely. He decides to cancel his domestic identity, change his name, and disappear forever.