Series: Shugo Chara!! Doki Episode Number: 37 English Title: Calamity! The Great Mystery Egg Runaway!! Romanji Title: Gekitotsu! Nazo Tama Daibōsō!! Kanji Title: 激突! ナゾたま大暴走!! Airdate: June 20, 2009 Directed by: Kazunobu Shimizu Written by: Toshizō Nemoto Preceeded by: Episode 087: Save Nana! Guardian Character Nurse and Safeguarding? Followed by: Episode 089: Heart, I Understand.