The Sourcerer reanimates Megabyte and upgrades him to do his bidding in cyberspace. Austin leaves the others in jeopardy when they go back into the internet to stop Megabyte from reopening the rift the Sourcerer opened.
Parker upgrades his cybersuit without Vera's authorization and enters a mobile game to test it out. Megabyte is in the same mobile game and has infected the game's Fortress and Sentinel Army to establish his own power base.
Under pressure from his father to improve his grades, Trey clashes with Austin on a mission to catch a cat virus clogging the internet. Megabyte wipes out a cyber security system that allows the Sourcerer to steal a new computer prototype.
The mysterious sphere found in the Codec reveals a startling secret about the origin of the Guardian Code technology. After finding another sphere in cyberspace, Vector and Googz end up in danger in Megabyte's Fortress.
Vera installs a Teenage Emotion Plug-in into her operating system in an attempt to be more human. The Sourcerer and Megabyte attack a major banking system. The DIS tracks the Guardian Code, believing it to be connected to the Sourcerer.
Trey must choose between basketball or saving his friends when the other Guardians find themselves trapped in the fortress by Megabyte. The Sourcerer changes his mind about deleting Megabyte when he discovers the Guardians are human.
Vera tries to convince Austin's mother of the benefits of technology. The Sourcerer hacks the smartphone Virtual Digital Assistant Alyx, turning her into a real world menace. The Guardians must reset Alyx's programming.
When Austin is preoccupied about his mother's relationship with Mark Rowin, the Guardians rush into Cyberspace when the Sourcerer takes control of a weather satellite and unleashes a potentially devastating hurricane.
Megabyte goes into Mainframe to convince his sister Hexadecimal to join forces with him. With Trey away at a basketball game, Vector, Enigma and Googz investigate and encounter original ReBoot characters Bob, Dot, and Enzo, in Mainframe.
