Ep 13. The Mendo Family`s Masquerade War

In Urusei Yatsura season 3 episode 13, titled The Mendo Family's Masquerade War, the characters are invited to a party at the Mendo family's mansion. The catch is that they must wear costumes and whoever has the best one will win a prize. At first, everyone is excited to attend the party and show off their costumes, but things take a turn when they discover that the Mendos have their own ulterior motives.

The episode begins with the characters preparing for the party and choosing their costumes. Lum decides to dress up as a magical girl, while Ataru dresses as a samurai. Meanwhile, the Mendos have a secret plan to gain control over the town by holding a "masquerade war," in which each guest will be given a weapon and forced to fight to the death. To ensure their victory, they have hired a group of mercenaries to help them.

As the night progresses, tensions rise and the party becomes a battlefield. The characters are forced to fight for their lives, using their costumes as tools to defend themselves. The episode is filled with intense action sequences, as well as humorous moments that will keep viewers entertained.

Despite the chaos, the characters manage to work together to survive and stop the Mendos from achieving their goal. In the end, they discover that the Mendos' plan was just a ruse to get their father's attention, as he was more interested in their takeover attempt than their accomplishments. The episode ends with the characters laughing and enjoying the rest of the party, relieved that the danger has passed.

Overall, The Mendo Family's Masquerade War is a fun and action-packed episode of Urusei Yatsura. It showcases the characters' abilities and teamwork while also providing humorous moments that will make viewers laugh. The episode also introduces new characters and explores the dynamics within the Mendos' family, making it a must-watch for fans of the series.