Shaggy & Scooby-Doo Get a Clue!

S01E05 Smart House

Dr. Phibes is set on deploying a malevolent computer virus to compromise the nation's defense systems, but Uncle Albert learns of his scheme beforehand. In an attempt to thwart the virus, Shaggy and Scooby inadvertently unleash it into their mansion's computer network, leading to chaos as the virus seizes control of all the household appliances and utilities.