The third book in Dav Pilkey\'s mega-bestselling Captain Underpants series.
Can Captain Underpants and his drawers hold up under the pressure from three massive, tentacled Space aliens (in disguise) who are on a mission to enslave the whole planet? It\'s time to probe a little further and find out in this all-new, wedgier alien adventure of Captain Underpants.
Diaper....
He terminated the terrible talking toilets....
Now he\'s in for the fight of his life.
Now with super-cool foil covers Shiny Fun25 1/2 CHAPTERS...100% More Wedgie Power He defeated the diabolical Dr.
The third book in Dav Pilkey\'s mega-bestselling Captain Underpants series