Season 3 To Mend And Defend (Originally Aired 4/15/1999) 24. To Mend And Defend Chaos is the order of the day with Bob missing and Dot and Enzo leading the forces of Mainframe against Megabyte and Hexadecimal. A game cube descends just as Hexadecimal tries to destroy the Principle Office, and she is badly injured. Dot and Enzo team up with zombies to try to win the game and save what's left of Mainframe in a tribute to "The Evil Dead." Dot, Mouse and Phong use their tactical and technical skills to defend against the viral attack and restore the damaged Principal Office shields. Enzo's Guardian programming is triggered by the descent of the Game Cube, so Dot goes with him to back him up. Enzo's authority as Guardian is questioned, and he wonders if he can defeat the user and win the game? Dot, Mouse and Phong defend the Principal Office against the combined attack of Megabyte, Hexadecimal and their Viral troops. Enzo Matrix's new Guardian Protocol is triggered by the arrival of a Game Cube, and he enters a game for the first time as Mainframe's Guardian.