In the last season of Malcolm in the Middle, Emma Stone left a mark. In 2006, she played Diane in the episode Lois Strikes Back from season 7. She was only 18 years old and still went by Riley Stone. Her role was minor, but her comedic timing was accurate. The synopsis for the episode reads:"After Reese is severely humiliated by four girls at school, Lois exacts revenge on them; and Hal builds a pitching machine while hiding out from Lois in the garage."Keep reading to know more about the appearance.Emma Stone appeared as Diane in Lois Strikes Back View this post on Instagram Instagram PostEmma Stone, who was a guest on Malcolm in the Middle, gave viewers a look into her future potential. She described Diane as one of the four mean girls who duped Reese. When her mother, Lois, opted to react, Reese had to rapidly seek clarification on how the joke was actually a comedy.In revenge, Lois daringly took the heads of the favorite female dolls of Diane and put them in her locker. It was amusing and also frightening when Diane found the dolls. This was among the finest scenes in the episode, and Stone's acting received acclaim.The prank and payback narrative captivated the crowd and added a new vitality to the last season. It also gave Stone an excellent opportunity to showcase her comedic abilities before making her Hollywood debut.Stone's early career began View this post on Instagram Instagram PostEmma Stone made her first steps as an actor in 2006, when she appeared as a guest on Malcolm in the Middle. In 2004, she already won the reality program In Search of the New Partridge Family. Following her performance in the sitcom, she continued to develop her career with guest appearances on shows.She was known as Riley Stone at the time, but later changed her name to Emma, after Emma Bunton. This was followed shortly by landing a role in Superbad in 2007, which shot her into the limelight.Path to stardom after Malcolm in the Middle View this post on Instagram Instagram PostThe Malcolm in the Middle episode featuring Emma Stone as a guest actor was timely in her career. The sitcom was nearing its end in 2006, and Stone was receiving more promising prospects. The image of a high school girl that she has portrayed in the show led to her securing similar roles in other projects.She went on to play important roles in films like Easy A. Her talent also led to her winning the Academy Award for La La Land and Poor Things.Follow Soap Central for more updates!