The Taxing Trauma of the Treacherous Tattle Trials Part 2

The Taxing Trauma of the Treacherous Tattle Trials Part 2 is the twenty sixth episode of The Epic Tales of Captain Underpants.

Synopsis
Our heroes must do everything they can to survive when Melvinborg's nanobots take over Captain Underpants, and the gang is forced to shrink and enter the waistband warrior's brain to stop Captain Nanopants' rampage. A slight hitch occurs when Melvin has to decide if he'll betray George and Harold.

Trivia

 * Captain Underpants wears a white cape instead of his usual red cape in both this episode and The Taxing Trauma of the Treacherous Tattle Trials Part 1.
 * It's revealed Grace Wain is an anagram of Erica Wang, revealing that she is actually Erica Wang in the future. Who's gonna be the THIRD school superintendent in the FOURTH series?
 * This is the final appearance of Melvinborg.
 * Mr. Krupp finally gets his office back since Melvin got rid of his future self Melvinborg by changing the future, causing Melvinborg to disappear.
 * Captain Underpants turns into a giant and becomes evil most of the time.
 * Near the end of the episode, Captain Underpants turns back into Mr. Krupp after a fire hydrant sprays water at his face, but in his head, all of his vision clones still take the form of Captain Underpants.
 * When Harold, George, Melvin, and Melvinborg go inside Captain Underpants' ear, they mention his ear is filled with certain objects. They find are a key, a wallet with Mr. Krupp's picture in it, money, a rubber duck, and the worst, earwax. This is because he doesn't have pockets or wear clothes.
 * Melvinborg is the transit driving Harold, George, and Melvin into Captain Underpants' head. When he is erased from existence, it's not shown how Harold, George, and Melvin escaped Mr. Krupp's brain.
 * This is the third episode where Mr. Krupp does not interact with George and Harold.
 * Moral: Your future decisions don't always lead to fame and fortune.