The Sourcerer hacks a cellular network in an attempt to track down the real world location of the Guardians. Hexadecimal causes chaos. The Guardians retrieve another sphere and learn more about the Guardian Code's past.
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.
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.
Austin and Parker discover that Rowin works for the Department of Internet Security. The Guardians must stop the Sourcerer's Zombie Army botnet before he launches a massive Denial of Service attack.
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.
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.
While Tamra hosts a teen vlog awards show, Shari finds Room 0 and digitizes into cyberspace as Enigma. When she is captured by Megabyte, Vector, D-Frag, and Googz attempt to rescue her, only to wind up prisoners themselves.
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.
