When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper.

"With all new Dog Man comic"--Cover. Bonus content: The origin of Captain Underpants -- Bonus comix (never-before-seen historical artifacts by George and Harold). Captain Underpants meets Dog Man ; Dog Man and the league of misfits -- Fun facts.

George and Harold -- Tree House Comix, Inc. -- The adventures of Captain Underpants -- Mean old Mr. Krupp -- One day very, very soon -- Busted -- A little blackmail -- Crime and punishment -- Four to six weeks later -- The 3-D hypno-ring -- Fun with hypnosis -- Out the window -- Bank robbers -- The big bang -- Dr. Diaper -- The incredibly graphic violence chapter (in Flip-O-Rama™) -- The escape -- To make a long story short -- Back to school -- The end? -- The origin of Captain Underpants -- Bonus comix -- Fun facts.