Jewelpet Twinkle Episode 5 English Subbed Episode Title:Shrunken and Vanished Doki☆Doki!.Episode Description:A new teacher named Sulfur is introduced, and later put in his place by Sara. Akari learns that Sara already memorized every textbook of every class, and she is now creating new spells. When Sulfur is pondering about why Sara is still in the fourth grade, Harlite explains that the only things she can understand are the things she can study and memorize.