Captain Underpants Mega Blissmas

 is a Christmas special of The Epic Tales of Captain Underpants.

Summary
"Christmas gets weird — really weird — after George and Harold go back in time to change up a few of their beloved holiday's traditions."

- Official Netflix synopsis

Plot
George and Harold love Christmas, but they feel like it could use some upgrades. But when their plan resulting in Christmas being turned into Blissmas goes wrong, George and Harold must find a way to save it before it's gone forever.

Cast and Characters

 * Nat Faxon
 * Jay Gragnani
 * Ramone Hamilton
 * Sean Astin
 * Dayci Brookshire
 * Jim Cummings
 * Jorge Diaz