The Taxing Trauma of the Treacherous Tattle Trials Part 2 is the thirteenth and final season 2 episode of The Epic Tales of Captain Underpants, which was the season 2 finale.
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.
- Captain Underpants wears a white cape instead of his usual red cape for both The Taxing Trauma of the Treacherous Tattle Trials Part 1 and this episode.
- 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.
- Melvinborg mentions that this is the Season finale, but there's more episodes after this one.
- 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, but not as Mr. Krupp, he turns evil in another way.
- Captain Underpants turns back into Mr. Krupp by the fire hydrant spraying water at him in his face, but in his head, all of his vision clones are still Captain Underpants even when he's Mr. Krupp again.
- 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 on it, money, rubber duck, and the worst, earwax, it's because he doesn't have pockets or wear clothes.
- Captain Underpants thinks of robot hats, then he turns back into Mr. Krupp, and even if he does, his brain clones are still Captain Underpants in his head, they don't turn into Mr. Krupp as well even though he does, Mr. Krupp still doesn't and wouldn't have even known Captain Underpants with his brain clones in his mind, not even the song Captain Underpants sings.
- Melvinborg is the transit driving Harold, George, and Melvin into Captain Underpants' head, except then Melvin gets rid of him changing the future, so it's not shown how Harold, George, and Melvin got out of Mr. Krupp's head.
- This episode has the same ending from "Un-King Me" from All Hail King Julien.
- MORAL; your future decisions don’t always lead to fame and fortune.