During class George and Harold also George the kid on left and Harold the kid on right are outside somewhere at school making more comic about Captain Underpants. Suddenly Mr. Krupp as spotted them got caught torn up their hard comic in shreds. George and Harold hates Mr. Krupp following his rule especially destroy their comic book. So they thought a way to teach him lesson. Then Harold saw Melvin the nerd kid with glasses. They both sneak up on Melvin see what he up to. Melvin testing a ray gun not just any ray gun a growth ray gun one zap anything turn thing big. George had idea first they need that ray gun from Melvin so Harold took out the lunch bag out his bag pack and slam it on top of Melvin make go blind can't see anything. Next George took the ray gun both disappear into the bushes also Melvin got sick inside the lunch bag there full of chewing gun been chew by Harold.
After school is over all the kids are left for home Harold and George say behind get ready for their plan. Their at the hallway waiting for Mr. Krupp show up out his office. Harold heard foot step coming closer start wack someone with math book and Bam knock none other Mr. Krupp himself. Next thing George and Harold tied up on to flag pole took off his shoes then George has the growth ray gun ready shoot at Mr Krupp. Ray gun zap Krupp and he starting growing so their plan actually work but now real fun begin.
Next the boys waited for Mr. Krupp wake up with biggest yawn like storming wind then he notice something wrong "Hey what is going on and why am I so big also where mine shoes." Mr. Krupp said
"Hey Mr Krupp" George said "Go say that" Mr Krupp
"Down here" Harold said Mr Krupp look down saw none other than George and Harold feeling proud at himself and not so for Mr. Krupp. "You two hey untied me, how did get so big, also you boys are so in trouble"
"Not as trouble has you are" Harold said
"We make you big from this growth ray gun we took from Melvin to teach lesson for destroy our comic book" George said.
"Ha what is exactly you boys going to do with me. I am principle and where you going...." Mr Krupp said after George and Harold walk over right in front of Mr. Krupp's big nicest foot George on the left foot and Harold on the right foot.
"NO NO no no no don't you dare." Mr Krupp said
"Mr Krupp think he so funny we'll make him laugh about something ready Harold" George said and Harold say "Ready" right back. George and Harold start tickling Mr Krupp feet like tiny spider crawling "Tickle Tickle" "Coochie Coochie Coo it Mr Krupp is having fun" Harold said.
" NO Stop AH HAHAHA STOOOOOP IT HAHAHA LEEEEAVE HEHEHEHE HAHAHAHA MINE FEEEEEET HEHEHE ALONE OOOOOOH HAHAHAHA" Mr Krupp laughing so loud that anybody can here that from school. "Take that Mr Krupp tickle tickle these feet are warm to tickle don't you think Harold" George said " I agree I can do this all day it fun" Harold right back.
"Hahaahahaha pleeeeasse hahaha ah haha really Hahahah let me go.
Suddenly George and Harold heard someone coming right corner school coming. So they hurry take growth ray gun switch back to small size and turn back Mr. Krupp normal person run fast as they can catch. So someone coming behind school was none other Melvin still has lunch bag over his head finally got out the nasty bag cover gum all over himself also saw Mr. Krupp on faint out lot of laugh tied up. "Ew so gross disgust gum get off. What happen to you Mr Krupp"