In Captain underpants pocket you would find: 5 spare underwear plus one for good luck; A big big laser gun to defeat the criminals; 1 spare cape for when he get hurt it will help; A mattress for if he needs a power nap; Big juice spicy berto for a fight; The date of his birthday in case he forgets when is his birthday; Address of his house so he does not forget; A nice quaterbounder for a snack; A picture of his crush to steer at her; A toilet of the criminal that he defeated; The key to the school if he want to go late at night; Flashlight to blind the criminals.