Cyberchase - Season 2 Episode 10 Raising the Bar
Overview: The Cybrary, owned and operated by Ms. Fileshare, has a bug problem, so she hires an exterminator named the Vermin Vexor (Hacker in disguise) to help her with the problem. Hacker instead adds more bugs so all references of Motherboard get switched to himself, and he alters two bar graphs to hide the truth.