Ep 120. Mystery of Mugen Academy

The episode "Mystery of Mugen Academy" from season 3 of Sailor Moon centers around a new school that has recently opened up in Tokyo. Rumors are circulating about the school's questionable practices and strange occurrences, prompting Sailor Moon and her fellow Sailor Guardians to investigate.

Upon arrival, the girls encounter a hostile student group called the Witches 5, who are intent on stopping them from uncovering the truth about Mugen Academy. They soon discover that the school is actually a front for the Death Busters, an evil organization seeking to harness the power of the legendary Holy Grail for their own nefarious purposes.

As the Sailor Guardians delve deeper into the mystery surrounding Mugen Academy, they face a series of dangerous challenges and terrifying foes. Along the way, they receive help from some unexpected allies, including Professor Tomoe, a brilliant scientist who holds the key to unlocking the truth about the Holy Grail.

With time running out and the fate of the world hanging in the balance, Sailor Moon and her friends must use all of their skills and powers to thwart the Death Busters' plans and protect humanity from their sinister plot. But as the battle intensifies, they realize that defeating their enemies may come at a great cost, and that the true nature of the Holy Grail may be more complicated than they ever imagined.

Filled with action, suspense, and heartwarming moments of friendship and bravery, "Mystery of Mugen Academy" is a thrilling episode that will keep viewers on the edge of their seats from start to finish. Whether you're a longtime fan of Sailor Moon or new to the series, this installment is sure to delight and entertain with its high-stakes drama and unforgettable characters.