Welcome to Mainframe. Home to Guardian Bob, formatted to mend and defend. Join the fast-paced action and adventure as Bob and his friends—Dot, her brother Enzo and his trusty dog Frisket—fend off attacks from the superviruses known as Megabyte and Hexadecimal in their relentless pursuit of chaos and the destruction of Mainframe. Known as the very first completely computer-animated half-hour TV series, ReBoot debuted in the United States on ABC's Saturday-morning block in 1994 and has captured the hearts and imaginations of kids and gamers ever since!