Arthur Season 7 Episode 10 April 9th Episode Title:April 9th.Episode Description:A fire starts in the school, forcing Arthur and his friends to attend school at Mighty Mountain, their biggest rival, until their own school reopens. The fire affects everyone in various ways. Sue Ellen is devastated when her diary is burned and Muffy doesn't understand how important it is to Sue Ellen, and when Arthur's father barely makes it out of the fire, Arthur fears that something could happen to him again. Binky gets traumatized after witnessing the fire, causing him to pull the fire alarm, and Mr. Morris, the school janitor, injures his leg during the fire. Buster was absent when the fire occurred and is unable to relate to the others. Buster becomes friends with Mr. Morris until he chooses to retire to New Mexico. Binky overcomes his trauma with help from Francine's father, who's a former firefighter. Arthur's fears ease when his father admits that he had a similar fear for his mother, Grandma Thora, when he was younger, and shows him how to handle it. Muffy gives Sue Ellen a new diary, along with a picture from the original diary that inspires Sue Ellen to move forward. Francine writes each of the inspiring stories in a school newspaper, and it is presented to everyone when the school reopens.