#1 - Cross Nodes (2) 8.83
Season 4 - Episode 2
The battle against Daemon continues, Hexadecimal turns into a sprite, we learn more of the character's pasts, the nulls form an old friend, and Turbo has been infected by Daemon.
#2 - System Crash (3) 8.73
Season 3 - Episode 15
Mainframe begins to crash around them and users from games played break out into mainframe. Matrix meets up with an enemy from his past.
#3 - My Two Bobs (1) 8.67
Season 4 - Episode 5
The two bobs try to figure out which is the original and which is the copy. Dot can't decide which one to choose. A game cube drops placing Matrix, Frisket and Normal Bob into a Pokemon style game.
#4 - End Prog (4) 8.64
Season 3 - Episode 16
Mainframe is all but destroyed and Bob realises that their only hope lies in the user.
#5 - Life's a Glitch (2) 8.60
Season 4 - Episode 6
While most of the gang battle Rocky The Rabid Raccoon in a game, Glitch Bob struggles to find a way to separate himself from glitch, and Dot follows her heart.
#6 - Showdown (2) 8.55
Season 3 - Episode 14
The battle for Mainframe begins and Matrix has a final confrontation with Megabyte. Meanwhile, Hexadecimal seems to have gone even more insane but Bob thinks he might be able to help her.
#7 - Trust No One (3) 8.46
Season 2 - Episode 9
Two special agents from the CGI are investigating disappearances in level 31. Their prime suspect is Mouse but the real abductor ends up being something far more dangerous: a web creature. The Guardians would destroy all of Mainframe to kill the web creature, but Bob has other ideas.
#8 - Daemon Rising (1) 8.44
Season 4 - Episode 1
The citizens of Mainframe start to battle the supervirus Daemon who has infected 92% of the Net. Bob is horrified to discover that she has infected all the other guardians.
#9 - What's Love Got To Do With It? (3) 8.43
Season 4 - Episode 3
Daemon continues to infect more and more citizens of Mainframe, we discover more about Bob's past and his first coming to Mainframe, Bob's condition worsens, and Daemon learns about love.
#10 - Web World Wars (4) 8.43
Season 2 - Episode 10
Above Mainframe hangs the web creature's parting gift: A gigantic portal to the Web - a chaotic abyss filled with unspeakable horrors. It will take the combined might of all inhabitants of the system to close it, including the viruses, but can they be trusted?
#11 - Null-Bot of the Bride (3) 8.40
Season 4 - Episode 7
Dot prepares for her wedding with Normal Bob, Glitch Bob remains comatose in the super computer, and Glitch finally reveals the identity of the real Bob.
#12 - Bad Bob 8.38
Season 2 - Episode 4
Megabyte makes a grab for the core energy, but ends up getting trapped with it inside a corrupt game. Now Bob must keep the game going until he can get the energy back to the Principal Office or Mainframe will shut down when game ends.
#13 - Infected 8.35
Season 2 - Episode 1
The joy of receiving a new upgrade is cut short when it turns out to contain Megabyte himself, who's decided to take a more direct approach to infecting the core.
#14 - Number 7 8.33
Season 3 - Episode 7
Matrix is shocked when he finds Mainframe inside a game cube. Dot is there... Phong is there... even Bob! But why did he and AndrAIa reboot as Megabyte and Hexadecimal? And who is Number One?
#15 - Sacrifice (4) 8.29
Season 4 - Episode 4
Daemon finally infects all of Mainframe except for Little Enzo, Hack, Slash, and Frisket, who were in a game cube. Hexadecimal makes the ultimate sacrifice.
#16 - Mousetrap (4) 8.25
Season 3 - Episode 12
The traps Mouse once placed to stop the web creatures from accessing Mainframe are now making it difficult for the sprites to return home.
#17 - The Episode with No Name 8.25
Season 3 - Episode 8
Having finally found a system with ports to the Net, Matrix is overjoyed. But it doesn't last long, when access is blocked as the city comes under siege by a team of... guardians?
#18 - To Mend and Defend 8.22
Season 3 - Episode 1
Megabyte and Hexadecimal are about to take the core, but Mainframe is saved at the last minute by an incoming game cube. However with Bob gone, Enzo is left having the answer the call of the guardian protocol.
#19 - Crouching Binome, Hidden Virus (4) 8.20
Season 4 - Episode 8
Megabyte, now able to shift form, rampages through mainframe, but Bob insists his theories on turning a virus good will work.
#20 - Enzo the Smart 8.17
Season 1 - Episode 8
After Bob upstages him during a game, Enzo decides to get smarter in a hurry. The Read-Only Room at the Principle Office is too much like work for the young sprite, so he's tempted into tinkering with the system clock. Only instead of making himself twice as smart as everyone else in Mainframe, he accidentally makes everyone else half as smart! What's worse, he ends up trapped in a game cube with a bunch of his dumbed-down friends. Can Enzo best the user by himself and fix this mess?
#21 - Between a Raccoon and a Hard Place 8.17
Season 3 - Episode 2
Megabyte is trying to turn Mainfraime against Enzo, blocking him from entering the games and smearing his reputation with propaganda. When the young guardian finally manages to sneak past the blockade, it's more crucial than ever that he wins, this time facing Rocky the Rabid Raccoon...
#22 - High Code 8.15
Season 2 - Episode 2
A being of incredible power, known as a codemaster, arrives in Mainframe, demanding they bring out another codemaster who he believes is hiding there.
#23 - Talent Night 8.14
Season 1 - Episode 11
Dot is arranging a celebration for Enzo's first birthday, and Bob has to keep the young sprite occupied until everything is ready.
#24 - Painted Windows 8.10
Season 2 - Episode 5
Mainframe is thrown into utter chaos when Hexadecimal manages to tap into the system's paint function.
#25 - The Great Brain Robbery 8.08
Season 1 - Episode 10
With the help of Mouse, a hired mercenary, Megabyte intends to send a heavily compressed ship into Bob's head to take control of his brain. However, things don't go exactly as planned.