|The Nefarious Computer Virus|
|Season 01, Episode 02 B.|
|Air Date||September 20, 1999|
|Previous||Von Kreepsula Runs Amok|
|Next||The Miserable Phantom Dog|
The Nefarious Computer Virus is the second episode B. of the Mona the Vampire television series on September 20, 1999.
Charley gets a new computer game, "Starclangers IV", ever since he's been acting weird, gets late to school and doesn't gets much sleep. After a while the game becomes everyone's favorite, even Mona's parents' and Mr. Shawbly's. Mona and Lily discover that the game has a virus that infects people's brains, they have to go inside the game and destroy the virus to save their friend and the whole city.