SMG4 goes insane and it's up to his friends to save him. Little do they know that the events that unfold will change their lives forever.
Mr. Puzzles' prison break finally begins, and he has a huge decision to make...
An end to the Genesis Arc and a big change to SMG4, Mario and friends.
The finale to The YouTube Arc, featuring a high-stakes, team-based battle between SMG4's crew and SMG3, who uses the YouTube Remote to corrupt the world and command an "Anti-Cast".