MegaMan NT Warrior - Season 1 - Eps 5: Robotic Fish Gone Wild!
At the command of My. Wily, the evil leader of World Three, Maddy, Mr. Match and Count Zap unleash an aquarium full of robotic fish using a unique, jellyfish-type of computer virus. The robot-fish create utter chaos throughout DenTech City. MegaMan and Glide jack into the CyberMatrix to try and stop the virus, but soon find themselves in the path of a ferocious Tidal Wave Virus! Just as MegaMan and Glide are about to be swallowed by the enormous wave, a mysterious NetNavi called SharkMan appears... Is he friend, or foe?
About MegaMan NT Warrior

Title: MegaMan NT Warrior
First Air Date: 2002-03-04
Last Air Date: 2006-09-30
Status: Ended
Rating: 7.8/10 (from 19 votes)
Language: JA
Seasons: 5
Total Episodes: 209
Network: TV Tokyo
Genres: Action & Adventure, Animation, Sci-Fi & Fantasy
Production Companies: XEBEC, Shogakukan-Shueisha Productions, NAS, TV Tokyo
Synopsis
In the year 20XX, a young boy named Netto Hikari receives a very special gift as he enters the 5th grade: his very own customized Net Navi, Rockman.
Cast

Kumiko Higa
Lan Hikari (voice)

Akiko Kimura
Rockman.EXE (voice)

Yuji Ueda
Higsby / NumberMan.EXE (voice)

Kaori Mizuhashi
Mayl Sakurai (voice)

Masako Jō
Roll.EXE (voice)