The George and Harold, PJ Masks Power Hour

The "George and Harold, PJ Masks Power Hour" is the first crossover special between The Epic Tales of Captain Underpants and PJ Masks.

Plot
A chaotic duel with characters from The Epic Tales of Captain Underpants and PJ Masks erupts when George, Harold, Mr. Krupp and Erica got sent to a other dimension which just happens to be in Tarabiscoville, The PJ Mask's HQ, but Catboy, Owlette and Gekko accidentally teleports themselves into George and Harold's dimension. Now the heroes are stranded in each other's worlds. Now George and Harold must shut down PJ Robot, who George uploaded a destructive video game into, before he destroys Tarabiscoville. Meanwhile, The PJ Masks must stop Melvin Sneedly from taking over Piqua.

PJ Masks Characters

 * Catboy
 * Owlette
 * Gekko
 * PJ Robot (briefly becomes the Decimator when George inputs the software info PJ Robot)
 * Octobella (mentioned)
 * Cameron (later was hypnotized by George and Harold to think he was Colonel Urinal)

The Epic Tales Of Captain Underpants Characters

 * George Beard
 * Harold Hutchins
 * Captain Underpants / Benjamin Krupp
 * Erica Wang
 * Melvin Sneedly
 * Steve Yamaguchi
 * Dressy Killman
 * Bo Hweemuth
 * Jessica Gordon
 * Sophie One
 * Other Sophie
 * Stanley Peet
 * Ms. Anthrope (cameo)
 * Mr. Meaner (cameo)

Cast

 * Evan O'Donnell as Catboy/Connor
 * Addison Holley as Owlette/Amaya
 * Benjamin Hum as Gekko/Greg
 * Juan Luis Bonilla as PJ Robot
 * Nat Faxon as Captain Underpants/Benjamin Krupp
 * Jay Gragnani as Harold Hutchins
 * Ramone Hamilton as George Beard
 * Jorge Diaz as Melvin Sneedly and Stanley Peet
 * Erica Luttrell as Erica Wang
 * Dayci Brookshire as Jessica Gordon and Dressy Killman
 * Evan Kishiyama as Steve Yamaguchi
 * Brennan Murray as Bo Hweemuth
 * David Koechner as Kenny B. Meaner
 * Luxton Handspiker as Cameron
 * Sean Astin as The Narrator (2-D) Segments