The boys find themselves in a pickle as the temporary Student Counselor is more than meets the eye.

Nate Wright and his friends meet George Beard and Harold Hutchins, first-time students at PS. 38. But when a nuclear attack strikes New York City, Nate and his whole town are shocked. How will, Nate, George, Harold, and the others react when they find out their nation is under attack?

Jealous of how people find George and Harold funny, Luan Loud manipulates the upcoming student exchange so that she & Lisa can swap places with them so she can prove she's funnier. George and Harold meet Lincoln and help him get back at his tormentors. Luan goes on a pranking spree that terrorizes everybody at Jerome Hortwiz Elementary. This looks like a job for Captain Underpants!

Strange things have been going on in Earth-1218. The only ones who can get the bottom of this is one very unlikely duo. IC spin-off.

Captain Underpants finds himself in another world facing off against LarryBoy in the strangest superhero battle ever when a mysterious villain pits them against each other...

Dog Man and Captain Underpants Meet. What are they going to do?

Adventure's starts with their "comic-A-ble" universe with Captain Underpants & there two small boys named "George & Harold", when they went's off in the continuum where they don't know what got themselves into the another world "Town of Hikarizaka" The crew doesn't figures out how they're lost in township's colded temperature. til, "Tomoya & Nagisa" the remain's of Clannad, helped

The battle of the century, Superman vs Captain Underpants, lets go, baby!

Shortly after the events of THE AVENGERS (2012), Captain America has a battle with someone he never expected to fight.

What if Harold and Violet have a gum kiss, then sing Lights down low by Max, in the night sky? Happy reading.

Professor Poopypants shows up at school and the Mario Brothers are curious about him, what is his evil scheme?

Power-switch fic that takes themes from the crossover. Couldn't get this silly idea out of my head so wrote it out. Might build on it in the future, but it's probably going to remain a oneshot

A fun little Sonic the Hedgehog & Captain Underpants crossover set in the world of Adventures of Sonic The Hedgehog.

Captain Underpants fights Galbatoris!

I don't own the characters or the books.

When Koda accidentally takes the wrong train while on his way to visit his parents in California he ends up in Piqua, Ohio where he meets George, Harold & Captain Underpants. Mr Wentworth is discovered having broken out of jail leading Koda's family & friends to come to his aid. Will they be able to apprehend Mr Wentworth? (Collab between Elias Vincent & Supernova2015)

Spike is a creative, fun, and lazy dragon. He loves writing superhero comic books that is seen inappropriate to Twilight. When Twilight bans him from drawing comics and uses the extra time for work instead, Spike have to take this to extreame measures. He got a 3-D Hypno Ring from Pinkie Pie and hypnotize Twilight to be one of his own creation: CAPTAIN UNDERPANTS!

George and Harold come to the home of Rachel and Sasha Jocklin, but the girls are the ones more surprised when they meet the one and only Captain Underpants!

What will happen if the worlds of SheZow, The Modifyers, Littlest Pet Shop, Frozen, American Girl, Lady LovelyLocks and Captain Underpants collide? The answer: they unite against Cold Finger. Chapter 8 is coming soon because it contains characters from my recently burned 5-CD PC CD-ROM game, McKenzie & Co., due to the reason that girls are cute.

After exploring what's left of the tower of fate, Black Knight sees that the curse amulet that sealed the Enchantress was not broken. Black Knight took it with him and broke it, but with the caused of his not so thought out plan. He is sent to another universe where Earth's main heroes are two kid and some goofy underwear hero. Can Black Knight handle this or will he go mad?

Ed reveals to Double D and Eddy that he knows Captain Underpants secret identity, naturally Eddy plans to use this information to do a scam.