Captain Underpants and the Rev

When we last saw our heroes George and Harold they had been turned<br/> into evil zombie nerds doomed to roam a devastated post-apocalyptic<br/> planet for all eternity. But why you might ask didn&t the<br/> amazing Captain Underpants save the boys from this frightening<br/> fate? Because Tippy Tinkletrousers and his time-traveling hijinks<br/> prevented George and Harold from creating Captain Underpants in<br/> the first place! Now having changed the course of human history<br/> forever they&ll have to figure out a way to CHANGE IT BACK.<br/> Could this be the end for Captain Underpants?!!