Sue Ellen's Lost Diary

"Sue Ellen's Lost Diary" is the first half of the 14th episode of season 2 of the animated children's series Arthur. Together with Arthur's Knee, it first aired on February 14th, 1998.

Summary
Sue Ellen loses her diary in the library. Muffy, Francine, Binky, and Arthur find it, wondering what's inside and whether to open it or return it unread.