ReBoot: The Guardian Season 1 Episode 4 Catastrophic Episode Title:Catastrophic.Episode Description:Megabyte delivers a deceptively cute cat virus that launches annoying videos across the Internet, using the distraction to aid the Sourcerer in disabling the security of a computer building in the real world. This allows the Sourcerer to steal the powerful Nova X3J computer, which will allow him to conduct untraceable cyber attacks. From the news of the theft, the Guardians learn of the hacker's existence and that Megabyte works for him.