Just because you're a Time Traveler, doesn't mean you have to travel through time. Craig never does, but one day Tweek, another Traveler, appears in his life. It might be the first meeting for Craig, but it isn't the first time for Tweek. It doesn't take him too long until he's caught up in crazy adventures with Tweek through the timeline.

Craig lives in a self-created bubble crafted out of irritation with most people and enough imagination to keep him busy. Then he gets a job, one thing leads to another, and well…you know what eventually happens to a bubble. SLASH CraigTweek

It'd be easier if he wasn't already dead. It'd be easier if I knew he wouldn't slurp out my brains like noodles. It'd be easier if he didn't look at me like his next meal. Actually, everything would be easier if he wasn't a zombie, and this wasn't the end of the world. Creek. Previously He Likes His Rare