*Scooby-Doo and Guess Who?* follows the teenage mystery-solvers Fred Jones, Daphne Blake, Velma Dinkley, Shaggy Rogers, and their cowardly Great Dane, Scooby-Doo, as they travel across the country in the Mystery Machine. Their primary motivation is uncovering supernatural hoaxes, solving complex crimes, and exposing fraudulent villains. However, the overarching premise of their adventures shifts dramatically from their classic formula through a revolving door of high-stakes, unexpected celebrity encounters.In each standalone episode, the gang inevitably crosses paths with a diverse array of real-world icons, fictional legends, and pop-culture figures. These guest stars range from musicians like Sia and Weird Al Yankovic, athletes like Chris Paul and Megan Rapinoe, and historical figures like Abraham Lincoln, to fictional characters such as Batman, Sherlock Holmes, and Wonder Woman. Initially, the celebrities are often skeptical of the teenagers' amateur sleuthing or get accidentally swept up in terrifying
supernatural phenomena. Driven by curiosity and a fierce sense of justice, the gang must convince these bewildered newcomers to trust them. Together, they form reluctant alliances to face down vengeful phantoms, rampaging swamp monsters, alien invaders, and ancient curses.As the investigations unfold, the plot focuses on high-energy chases, elaborate traps, and clue-gathering. The guest stars frequently play pivotal roles, utilizing their unique professional skills, hidden talents, or sheer star power to help corner the culprits. Velma relies on her brilliant intellect to debunk impossible anomalies, Fred enthusiastically constructs increasingly convoluted traps, Daphne brings intuition and fashion-forward resourcefulness, and Shaggy and Scooby-Doo constantly motivate the group through their relentless cowardice and insatiable hunger, often stumbling into vital clues while running away from danger.The dramatic climax of every episode invariably brings all the suspects together for a tense unmasking. The gang confronts the
monster of the week, strips away the elaborate masks and holographic disguises, and exposes the human antagonist hiding beneath the supernatural facade. Motivated almost exclusively by greed, corporate sabotage, or petty personal vendettas, the villains are apprehended and invariably utter the franchise's iconic line about getting away with their crimes if not for those meddling kids and their dog. With the mystery successfully solved, the gang bids a fond farewell to their temporary celebrity partner, sharing a celebratory meal with Shaggy and Scooby before the Mystery Machine hits the open road once again, driving toward their next unpredictable destination and another bizarre encounter with the unknown.