Syberskull succeeds in escaping from cyberspace and takes over Mega's mind.
Meanwhile Max is being punished in class and gets a message from Virgil to come to San Francisco at once...
When they get to Meag Corp building they enter and find Mega who's under Cyberskull's control. Mega escapes and then they fight a Mini Cyberskull doll and win. Max and Co. then goes to stop Cyberskull's plan to take over the world and restore the electricity to the all world.
When they get to where Mega and Syberskull is they are being captured and then a giant Cyberskull appears. Max and Co. fight it and win.
At the end of the eppisode we see that Syberskull is still alive inside of the Mini Cyberskull doll.