Knux the Sub?

Knux the Sub is the 4th episode of the original Cuphead Texts: Season 4. It's Withering Poison counterpart is Betrayal and Heartbreak.

Plot
Knuckles the Echidna is trying to find the Master Emerald. However, he ends up in Cuphead's classroom.

After finding out he's a good teacher, he teaches students several stuff. However, Professor Lucien walks in and screams... at Cuphead misbehaving. He thanks a confused Knuckles for running his shift.

Characters

 * Knuckles the Echidna
 * Cuphead
 * Mugman
 * Professor Lucien (debut)

Trivia

 * This is the first school-related episode.
 * This is also the first episode to feature Knuckles (other than in Sonic Arc), as the main character