what episode of pretty little liars does alison come back

Once a wealthy heiress, Stella Smith's life takes a tragic turn when her parents become comatose after an accident, and her fiancé betrays her. By a twist of fate, she is pregnant with Jay Pace's child, though she mistakenly believes the father is someone else. Years later, she returns with her child and reunites with Jay Pace as his subordinate, totally unaware that her boss is actually the father of her child. A series of misunderstandings ensue which sparks a growing affection between the two. As the misunderstanding clears up, the reunited family finds their happily ever after.

After losing his mother to cancer, Yale Mond falls into deep despair. Soon after, his girlfriend Lillian Jones is diagnosed with leukemia. Not wanting Yale to endure another heartbreak, Lillian hides her illness and ends their relationship.Devastated, Yale goes abroad to study medicine.Five years later, he returns as the director of a hospital, bringing with him a miracle cancer drug.Unbeknownst to him, Lillian’s leukemia has worsened after she secretly gave birth to their daughter Annie. Unable to afford treatment, she ends up living under a bridge. Through Annie, Yale finally finds Lillian, and the long-standing misunderstanding between them is resolved. Using the miracle cancer drug, Yale saves the dying Lillian, and the family of three is finally reunited.

Natalie had it all—engaged to football star Karl and carrying his child—until tragedy struck. Her brother caused Karl's sister's death, and Karl's injuries ended his career. Yet, she vanished for seven years. Now, Karl sees her with a "husband" and "daughter," seemingly happy. But he won't let her go.

Five years ago, after a night of drinking, Sylvia Snow accidentally stumbled into the wrong room and spent a passionate night with a man she didn't know—Eric Payne. That night led to the birth of their son, Noel Snow. When Noel turns four, he starts showing strange symptoms and is locked away, treated like a monster. Just when things seem hopeless, Eric shows up and saves Noel. Sylvia soon discovers that the man from that night isn't just any man—he’s a legendary werewolf, and the secret behind their son's condition is far more extraordinary than she ever imagined.

Six years ago, war god Jake Steel was betrayed by his subordinate Jacob Yeager and left critically wounded. On a stormy night, he rescued Jane Morgan, who had been drugged, and their fates became intertwined. Six years later, Jake goes on a blind date and unexpectedly saves Lailah Morgan and Olivia, Jane's foster daughter and biological daughter, subsequently being appointed by Lailah as Jane's husband. Jane is now in a vegetative state, and Jake uses his medical skills to awaken her, becoming entangled in the Morgan family's conflicts. Morgan Group faces multiple crises, with Zane Hughes harboring ulterior motives. Jake collaborates with business tycoon Ryan Simpson to expose his schemes. Jacob and Yohan Waldorf's conspiracy is ultimately revealed, and Jake defeats them, elevating his relationship with Jane. The family lives happily, with Lydia Green, head of the Windsong Society, joining them and opening a new chapter.

When college student Chloe Fawn discovers she's pregnant, she's determined to raise her baby alone, until she learns the father's shocking identity: Ethan Toll, the domineering CEO of Sunnix Group! This powerful billionaire storms into her quiet life like a force of nature, refusing to let her go and showering her with love beyond her wildest dreams!

Jack Quin had been pursuing Wendy Vale for five years, only to be dismissed as a clingy nuisance. Deciding to lock his heart and never love again, he unexpectedly saved Kate Mason, daughter of the Mason family. When Jack finally stopped pursuing Wendy, she started to cling to him. Kate smirked, "If you think you can touch my man because you're pretty, think again. No one touches him without my permission."

Betrayed by her boyfriend, Ruby Ayers is forced by her mother into a contract flash marriage with his elder brother,Toby Shaw. Ruby pretends to accept it, planning to run away on their wedding night—only for Toby to catch her personally. Little does she know, she once saved his life.Now, the narcissistic ex comes crawling back, and the scheming stepsister sets trap after trap—but Ruby turns every scheme against them with ease. What will her stepsister do next? Stay tuned!

Recently graduated April Simons is drugged and harassed by two men, only to be dramatically rescued by Reuben Hamilton, heir to the Hamilton Group corporate empire. In a moment of compromised consciousness, they become intimately involved. Reuben leaves his business card, which April unknowingly misses, losing their connection. Seven years later, April has given birth to twins and is cast out by her family. Simultaneously, Reuben's mother desperately seeks to arrange a marriage for her son. April's jealous cousin deliberately orchestrates a confrontation at the Hamilton family home, publicly exposing April's past. Just as April faces humiliation, Reuben arrives, setting the stage for their unexpected reunion.

Mya Walker falls into a trap set by her stepmother, becoming pregnant with the child of Southia's most esteemed man Caleb Monroe. After a challenging nine months, she is forcibly operated on, losing her first child to a villain, while the other four are heartlessly disposed of. Five years later, Mya, now a formidable figure, returns to seek revenge on those who wronged her. Determined to find her children and succeed in her career, she stops at nothing. When her children's father pleads for reconciliation, Mya coldly rejects him, showing him that he doesn't deserve her!

Theia Quill and Glen Webley shared a night together, unaware that it would result in the birth of twins, Caspian and Celeste. Years later, Caspian discovers that Glen Webley, the CEO of Webley Group, is his and Celeste’s biological father. Determined to find out the truth, Caspian, along with Celeste and their mother, confronts Glen.

Single mother Eleanor returns to L.A. with her twins, desperate to fund her daughter's medical care. She's blindsided by a reunion with her first love, Theodore, now a billionaire. Broke and burdened, Eleanor faces a cruel choice: reveal her past lie for her daughter's treatment, or keep the truth hidden and risk everything.

After losing his mother to cancer, Yale Mond falls into deep despair. Soon after, his girlfriend Lillian Jones is diagnosed with leukemia. Not wanting Yale to endure another heartbreak, Lillian hides her illness and ends their relationship.Devastated, Yale goes abroad to study medicine.Five years later, he returns as the director of a hospital, bringing with him a miracle cancer drug.Unbeknownst to him, Lillian’s leukemia has worsened after she secretly gave birth to their daughter Annie. Unable to afford treatment, she ends up living under a bridge. Through Annie, Yale finally finds Lillian, and the long-standing misunderstanding between them is resolved. Using the miracle cancer drug, Yale saves the dying Lillian, and the family of three is finally reunited.

The mysterious secret agent Peter Rogers was awarded the National Medal of Honor by the President and had retired from the military. While dining out with his daughter Leslie, Peter is mistaken for a blind date by the beautiful CEO Sydney Greenfield, and the two unexpectedly get married. When his classmate and ex-girlfriend, who were unaware of Peter's true identity, encountered him again, they subjected him to various insults and ridicule. Upon hearing about this, Sydney publicly revealed that Peter was her husband, putting everyone to shame.

Ryan Moregard and Jennie Grant have been married for five years but never officially registered their marriage. When Jennie's first love, Julian Pierce, returns to the country, they reconnect. Encouraged by her friends and feeling stirred emotions, Jennie begins to waver between her husband and her former flame, repeatedly crossing boundaries. Eventually, Ryan becomes completely disillusioned and decides to accept a transfer back to headquarters, leaving Jennie behind. Only then does Jennie realize her true feelings and attempt to repair their relationship, but it's too late for regrets.

Lila needs money to save an orphanage，so she hastily marries William, thinking he’s just a poor guy. But after falling for him, she discovers he’s actually the city’s richest CEO......problem is, she hates liars more than anyone else.

The only daughter of the Alpha King, Isabella, lost everything during a massacre and even became a slave to another pack. Years later, her childhood knight suddenly reappears and guides her in regaining her white wolf powers. They then fight side by side to bring down the all the liars, traitors, and murderers in their lives.

Five years ago, Iliana Mercer unexpectedly became pregnant with the child of Ernest Abbott, the richest man in Verdora. Years later, a chance encounter reignites their passionate connection. Ernest subsequently purchases the bakery where Iliana works, seemingly determined to be part of her life. Despite Iliana's focus on professional independence, Ernest's persistent pursuit gradually breaks down her resistance. Ultimately, she not only establishes herself professionally but finds herself cherished by both Ernest and their adorable son, transforming her life in unexpected ways.