%20115%20(1080p).mkv_20231203_011127.399.jpg "CMC115") **Episode 115: Maruko Helps Release Koi!/The Hay Fever Hootenanny** **Original Airdate: March 22nd, 1992** Maruko hopes the releasing of a large bunch of koi into a Shimizu river will put Shimizu on the map. Then, Maruko learns what hay fever is when Grandpa and a bunch of other people start sneezing uncontrollably.